RRB Group D - Mathematics PYQ Quiz 183
10 PYQ questions from RRB Group D - Mathematics
About This Quiz
This is one set from a larger bank. See all RRB Group D Mathematics previous year questions.
RRB Group D - Mathematics PYQ Quiz 183 — Questions with Solutions
All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.A tower stands vertically on the ground. From a point on the ground which is 29.6 m away from the foot of the tower, the angle of elevation of the top of the tower is found to be 45°. Find the height of the tower.
- A.27.6 m
- B.23.6 m
- C.29.6 m
- D.25.6 m Section : General Intelligence and Reasoning
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Answer: C. 29.6 m
Q2.A water tank can be filled in 13 minutes using 46 identical pipes. How long (in minutes) will it take to fill the same tank if only 27 such pipes are used? (Round off the answer to two decimal places.)
- A.13.33
- B.20.82
- C.22.15
- D.15.63
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Answer: C. 22.15
Q3.The average age of 23 students of a class is 41 years. If the age of the teacher is also included, the average age of the whole group becomes 42 years. The age (in years) of the teacher is:
- A.64
- B.66
- C.62
- D.65
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Answer: D. 65
Q4.Radha has ₹10 and ₹5 coins. She has a total of 15 coins worth ₹85. How many coins of ₹5 does she have?
- A.8
- B.13
- C.7
- D.5
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Answer: B. 13
Q5.A camp has provisions for 20 pupils for 13 days. In how many days will the same provisions be used up, if the strength of the camp is increased to 65 pupils?
- A.5
- B.3
- C.4
- D.7
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Answer: C. 4
Q6.A shopkeeper declares the following three schemes of discounts. Which scheme is the most beneficial to a customer? Buy 42 items and get 47 of the same items Two successive discounts of 16% and 36% Two successive equal discounts of 46%
- A.Only A
- B.C and B both
- C.Only C
- D.Only B
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Answer: C. Only C
Q7.A, B and C can do a piece of work in 3, 6 and 2 days, respectively. How long (in days) will they take to do twice the same work, working together?
- A.6
- B.4
- C.3
- D.2
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Answer: D. 2
Q8.For 5 innings, a cricketer has an average of 80 runs. In the 6th inning, he scores 194 runs. His average score increased by .
- A.21
- B.26
- C.29
- D.19
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Answer: D. 19
Q9.A train travels at 84.6 km/hr. How many metres will it travel in 20 minutes?
- A.28,200
- B.26,200
- C.26,400
- D.24,600
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Answer: A. 28,200
Q10.The amount on a sum of ₹7,300 at 10% per annum compound interest, compounded annually, in 2 years will be:
- A.₹8,251
- B.₹8,833
- C.₹9,391
- D.₹8,444
Show answer
Answer: B. ₹8,833
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Which government exams does this quiz prepare me for?
Mathematics questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.