Previous year questions · CIL (Coal India Limited)

CIL (Coal India Limited) Numerical Ability — Previous Year Questions

70 Numerical Ability questions asked in past CIL (Coal India Limited) papers, split into 7 timed practice sets — every question with its answer and explanation.

Questions

Practice sets

FREE

Access

About CIL (Coal India Limited) Numerical Ability previous year questions

This page collects every Numerical Ability question that has appeared in past CIL (Coal India Limited) papers on AajExam — 70 questions in total, organised into 7 short, timed practice sets. Each question is shown with its four options, the correct answer, and an explanation of the reasoning, so you can use the page either as a self-test or as a revision reference. Why previous year questions are the highest-value Numerical Ability preparation you can do for CIL (Coal India Limited): recruitment boards reuse a stable pool of concepts across cycles. The wording changes, the underlying idea rarely does. Working through a few hundred genuine past Numerical Ability questions teaches you which sub-topics the paper actually rewards, how the examiner likes to frame distractors, and roughly how long each question type should take — none of which a syllabus document can tell you. How to use this page: attempt questions in blocks of ten without looking at the answers, then review every question you got wrong or guessed. Read the explanation for the concept, not just the answer letter. When a concept keeps catching you out, open the related topic page linked below and drill that single area before returning here. Repeat across the full bank, and track how your accuracy on the second pass compares with your first — a 15-20% improvement is normal and is the clearest sign your preparation is working. What is in this bank: the questions are transcribed from actual CIL (Coal India Limited) question papers, kept in the original order and wording, with solutions written by subject specialists. Sets are free to attempt, work on mobile, and need no login to read. If you would rather practise a complete paper end to end under exam conditions, the full CIL (Coal India Limited) previous-year papers are linked below as well.

Numerical Ability PYQs asked in CIL (Coal India Limited)

A sample of 30 questions from the full bank of 70. Try each one before opening the solution — the remaining questions are in the timed practice sets below.

Q1.Which of the following is the first Indian Regional Satellite?
- A.YOUTHSAT
- B.IRNSS-1A
- C.INSAT-3D
- D.GSAT-7
Show answer
Answer: B. IRNSS-1A
Q2.The third term of an arithmetic progression is 6. Then the sum of first five terms is:AnsA. 35B. 25C. 15D. 30Question ID : 59445917469Status : AnsweredChosen Option : 4Q.2 If A’s income is 60% more of B’s income and B’s income is 40% less than C’s income, then by what percent is C’s income more than A’s income? (Correct to one decimal place)AnsA. 7.6B. 6.8C. 2.4D. 4.2Question ID : 59445917450Status : AnsweredChosen Option : 4Q.1 The third term of an arithmetic progression is 6. Then the sum of first five terms is:AnsA. 35B. 25C. 15D. 30Question ID : 59445917469Status : AnsweredChosen Option : 4Q.2 If A’s income is 60% more of B’s income and B’s income is 40% less than C’s income, then by what percent is C’s income more than A’s income? (Correct to one decimal place)AnsA. 7.6B. 6.8C. 2.4D. 4.2Question ID : 59445917450Status : AnsweredChosen Option : 4
- A.Option 1
- B.Option 2
- C.Option 3
- D.Option 4
Show answer
Answer: C. Option 3
Q3.The third term of an arithmetic progression is 6. Then the sum of first five terms is:
- A.35
- B.25
- C.15
- D.30
Show answer
Answer: C. 15
Q4.If A’s income is 60% more of B’s income and B’s income is 40% less than C’s income, then by what percent is C’s income more than A’s income? (Correct to one decimal place)
- A.7.6
- B.6.8
- C.2.4
- D.4.2
Show answer
Answer: D. 4.2
Q5.
- A.798
- B.720
- C.789
- D.702
Show answer
Answer: D. 702
Q6.A train while going slower by 15 km reaches late by 45 hours, if it travels faster by 60 km it reaches 72 hours earlier. The total distance (in km) travelled is:
- A.8775
- B.9750
- C.8250
- D.7500
Show answer
Answer: B. 9750
Q7.A covers a certain distance at a certain speed. If he covers half of the distance in three time then the ratio of this speed to the original speed is:
- A.6:1
- B.1:4
- C.4:5
- D.1:6
Show answer
Answer: D. 1:6
Q8.A 18 m long ladder (whose foot is on the ground) leans against a wall making an angle of 30° with the wall. What is the height (in m) of the point where the ladder touches the wall from the ground?
- A.
- B.[[IMG:image10.jpeg]]
- C.Option 3
- D.18
Show answer
Answer: D. 18
Q9.A person marks his goods 40% above the cost price. He sold 30% of goods at marked price, 60% of the remaining at a discount of 20% and remaining at 40% discount. What is his overall gain percent?
- A.27.4%
- B.17.6%
- C.23.5%
- D.15.8%
Show answer
Answer: D. 15.8%
Q10.From the top of a pole house A in a street, the angles of elevation and depression of the top and foot of house B on the opposite side of the street are 60° and 30°, respectively. If the height of pole house A is 21 m, then what is the height (in m) of house B? (correct to one decimal place)
- A.57.5
- B.47.8
- C.48.5
- D.49.8
Show answer
Answer: C. 48.5
Q11.A woman distributed her savings between her daughters A, B, C and D in the ratio 6 : 7 : 9 : 16. If A gives Rs. 600 from his share to C, the ratio of shares of A, B, C and D becomes 1 : 4 : 2 : 5. What is the sum of shares (in Rs.) of A, C and B, in the beginning?
- A.13200
- B.14550
- C.14750
- D.15100
Show answer
Answer: A. 13200
Q12.The average of 17 numbers is 48. The average of first 9 numbers is 45 and average of next 9 numbers is 52. If 9th number is excluded, the average of the remaining number is:
- A.58.5135
- B.49.5225
- C.53.4375
- D.47.4375
Show answer
Answer: A. 58.5135
Q13.
- A.23/3
- B.31/3
- C.20/3
- D.8
Show answer
Answer: A. 23/3
Q14.A loan has to be returned in two equal yearly instalments each of Rs. 42135. If the rate of interest is 6% p.a., compounded annually, then the total interest paid (in Rs.) is:
- A.7700
- B.7550
- C.7020
- D.8000
Show answer
Answer: B. 7550
Q15.
- A.35
- B.12
- C.21
- D.8
Show answer
Answer: C. 21
Q16.Alloy A contains copper and zinc in the ratio 4 : 5 and alloy B contains copper and zinc in the ratio 7 : 2. A and B are taken in the ratio 7 : 4 and melted to form a new alloy. The percentage of copper in the new alloy is closest to:
- A.57.79%
- B.65.25%
- C.56.57%
- D.67.5%
Show answer
Answer: A. 57.79%
Q17.Sum of first 10 terms of a GP is equal to the sum of the first 12 terms in the same GP. Sum of the first 17 terms is 42, what is the fourth term in the GP?
- A.0
- B.-42
- C.42
- D.-21
Show answer
Answer: A. 0
Q18.A person invested a sum of Rs. 9000 at r% per annum at simple interest and a sum of Rs. 13500 at (r−2)% at simple interest. If total interest earned on both the investments for 5 years is Rs. 9337.50, then the rate of interest on the first investment is:
- A.7.5%
- B.8%
- C.9.5%
- D.10%
Show answer
Answer: D. 10%
Q19.
- A.36
- B.33
- C.22
- D.27
Show answer
Answer: B. 33
Q20.In a class of 60 students, the girls are 60%. The average weight of boys is 62 kg and that of girls is 58 kg. What is the average weight (in kg) of whole class?
- A.60
- B.59.6
- C.61.5
- D.61.4
Show answer
Answer: C. 61.5
Q21.A can do a certain work in 12 days, B alone can do the same work in 16 days. A and B undertook to complete it in Rs. 8000. With the help of C, they completed the work in 6 days. How much money (in Rs.) be paid to C?
- A.4000
- B.3000
- C.1000
- D.2000
Show answer
Answer: C. 1000
Q22.Twenty five litres of 40% concentration of acid solution is added to 35 litres of 70% concentration of acid solution. What is the concentration of acid in the new solution?
- A.62.5%
- B.57.5%
- C.55%
- D.60%
Show answer
Answer: B. 57.5%
Q23.A woman saves 18% of her income. If her income increases by 15% and the expenditure increases by 21.6%, then what is the percent decrease in the saving (correct to one decimal place)?
- A.15.1
- B.17.2
- C.13.7
- D.16.8
Show answer
Answer: C. 13.7
Q24.A person sold two articles for Rs. 1836 each. On one he gained 20% and on other he lost 20%. What is his overall gain or loss percent, correct to one decimal place?
- A.7% loss
- B.4% loss
- C.5% gain
- D.6% gain
Show answer
Answer: D. 6% gain
Q25.What will be the full form of GIF?
- A.Global Interchange File
- B.Graphic Interchange Format
- C.Graphic Information Format
- D.Global Information Forum
Show answer
Answer: B. Graphic Interchange Format
Q26.Ans 5235 4550 5100 4750 Question ID : 59445917504 Status : Not Answered Chosen Option : --
- A.Option 1
- B.Option 2
- C.Option 3
- D.Option 4
Show answer
Answer: C. Option 3
Q27.Ans 5235 4550 5100 4750 Question ID : 59445917504 Status : Not Answered Chosen Option : -- Q.3 Ans 22.8 37.8 27.5 39.5 Question ID : 59445917516 Status : Answered Chosen Option : 4
- A.Option 1
- B.Option 2
- C.Option 3
- D.Option 4
Show answer
Answer: C. Option 3
Q28.The ratio of efficiencies of A and B is 3: 7. Working together, they can complete the work in 21 days. They work together for 6 days. In how many days, 70% of the remaining work will be completed by B alone?
- A.7
- B.8
- C.9
- D.10
Show answer
Answer: C. 9
Q29.The average marks of boys in a class is 78.2 and that of girls in the same class is 89.4. If the average marks of all the boys and girls in the class is 80.8, then the percentage of the number of girls in the class is : Ans
- A.
- B.
- C.
- D.Option 4
Show answer
Answer: B.
Q30.In a college, 63% of the number of students are girls and the rest are boys. If 15% of the number of girls failed and 65% of the number of boys passed in the examination, then the percentage of total number of students who passed is:
- A.80.2
- B.67.8
- C.72.4
- D.77.6
Show answer
Answer: B. 67.8

Keep going

CIL (Coal India Limited) syllabus & pattern Full CIL (Coal India Limited) question papers All Numerical Ability practice

Frequently Asked Questions

How many CIL (Coal India Limited) Numerical Ability previous year questions are available?

70 Numerical Ability questions from past CIL (Coal India Limited) papers are available on AajExam, split into 7 practice sets. New questions are added as fresh papers are released.

Are the answers and explanations free?

Yes. Every question on this page shows its correct answer and explanation free of charge, and you do not need an account to read them. A free account only adds attempt tracking and performance analytics.

Do CIL (Coal India Limited) repeat questions from previous years?

Exact repeats do occur, but the more reliable pattern is conceptual: the same Numerical Ability sub-topics reappear cycle after cycle with reworded questions. That is why working through past questions raises your score more reliably than reading theory alone.

How should I use these questions in my CIL (Coal India Limited) preparation?

Attempt a set of ten cold, review every wrong and guessed question with its explanation, then drill the weak sub-topic on its topic page before moving on. Revisit the same set after a few days — your second-attempt accuracy is the honest measure of whether the concept stuck.

CIL (Coal India Limited) Numerical Ability practice sets

Each set is a timed 10-question drill drawn from the same question bank.

About CIL (Coal India Limited) Numerical Ability previous year questions

Numerical Ability PYQs asked in CIL (Coal India Limited)

Q1.Which of the following is the first Indian Regional Satellite?

Q3.The third term of an arithmetic progression is 6. Then the sum of first five terms is:

Q4.If A’s income is 60% more of B’s income and B’s income is 40% less than C’s income, then by what percent is C’s income more than A’s income? (Correct to one decimal place)

Q5.

Q6.A train while going slower by 15 km reaches late by 45 hours, if it travels faster by 60 km it reaches 72 hours earlier. The total distance (in km) travelled is:

Q7.A covers a certain distance at a certain speed. If he covers half of the distance in three time then the ratio of this speed to the original speed is:

Q8.A 18 m long ladder (whose foot is on the ground) leans against a wall making an angle of 30° with the wall. What is the height (in m) of the point where the ladder touches the wall from the ground?

Q9.A person marks his goods 40% above the cost price. He sold 30% of goods at marked price, 60% of the remaining at a discount of 20% and remaining at 40% discount. What is his overall gain percent?

Q10.From the top of a pole house A in a street, the angles of elevation and depression of the top and foot of house B on the opposite side of the street are 60° and 30°, respectively. If the height of pole house A is 21 m, then what is the height (in m) of house B? (correct to one decimal place)

Q11.A woman distributed her savings between her daughters A, B, C and D in the ratio 6 : 7 : 9 : 16. If A gives Rs. 600 from his share to C, the ratio of shares of A, B, C and D becomes 1 : 4 : 2 : 5. What is the sum of shares (in Rs.) of A, C and B, in the beginning?

Q12.The average of 17 numbers is 48. The average of first 9 numbers is 45 and average of next 9 numbers is 52. If 9th number is excluded, the average of the remaining number is:

Q13.

Q14.A loan has to be returned in two equal yearly instalments each of Rs. 42135. If the rate of interest is 6% p.a., compounded annually, then the total interest paid (in Rs.) is:

Q15.

Q16.Alloy A contains copper and zinc in the ratio 4 : 5 and alloy B contains copper and zinc in the ratio 7 : 2. A and B are taken in the ratio 7 : 4 and melted to form a new alloy. The percentage of copper in the new alloy is closest to:

Q17.Sum of first 10 terms of a GP is equal to the sum of the first 12 terms in the same GP. Sum of the first 17 terms is 42, what is the fourth term in the GP?

Q18.A person invested a sum of Rs. 9000 at r% per annum at simple interest and a sum of Rs. 13500 at (r−2)% at simple interest. If total interest earned on both the investments for 5 years is Rs. 9337.50, then the rate of interest on the first investment is:

Q19.

Q20.In a class of 60 students, the girls are 60%. The average weight of boys is 62 kg and that of girls is 58 kg. What is the average weight (in kg) of whole class?

Q21.A can do a certain work in 12 days, B alone can do the same work in 16 days. A and B undertook to complete it in Rs. 8000. With the help of C, they completed the work in 6 days. How much money (in Rs.) be paid to C?

Q22.Twenty five litres of 40% concentration of acid solution is added to 35 litres of 70% concentration of acid solution. What is the concentration of acid in the new solution?

Q23.A woman saves 18% of her income. If her income increases by 15% and the expenditure increases by 21.6%, then what is the percent decrease in the saving (correct to one decimal place)?

Q24.A person sold two articles for Rs. 1836 each. On one he gained 20% and on other he lost 20%. What is his overall gain or loss percent, correct to one decimal place?

Q25.What will be the full form of GIF?

Q26.Ans 5235 4550 5100 4750 Question ID : 59445917504 Status : Not Answered Chosen Option : --

Q27.Ans 5235 4550 5100 4750 Question ID : 59445917504 Status : Not Answered Chosen Option : -- Q.3 Ans 22.8 37.8 27.5 39.5 Question ID : 59445917516 Status : Answered Chosen Option : 4

Q28.The ratio of efficiencies of A and B is 3: 7. Working together, they can complete the work in 21 days. They work together for 6 days. In how many days, 70% of the remaining work will be completed by B alone?

Q29.The average marks of boys in a class is 78.2 and that of girls in the same class is 89.4. If the average marks of all the boys and girls in the class is 80.8, then the percentage of the number of girls in the class is : Ans

Q30.In a college, 63% of the number of students are girls and the rest are boys. If 15% of the number of girls failed and 65% of the number of boys passed in the examination, then the percentage of total number of students who passed is:

Keep going

Frequently Asked Questions

CIL (Coal India Limited) Numerical Ability practice sets

Related Numerical Ability topics