RRB Group D - Mathematics PYQ Quiz 178
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 178 — 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.Arun and Manish can do a piece of work in 15 days. Manish and Tarun can do the same work in 12 days and Tarun and Arun can do it in 10 days. Find the time taken by Arun alone to complete the same work.
- A.18 days
- B.22 days
- C.25 days
- D.24 days
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Answer: D. 24 days
Q2.If x − y = 3 and xy = 18, what is x2 − y2?
- A.22
- B.25
- C.27
- D.20
Show answer
Answer: C. 27
Q3.If the cost of painting the whole surface area of a cubical structure, at the rate of 23 paise per cm2, is ₹1,006.02, then find the volume of the cubical structure (in cm3).
- A.19,691
- B.19,683
- C.19,676
- D.19,688
Show answer
Answer: B. 19,683
Q4.Two trains are running in opposite directions at the same speed. If the length of each train is 968 m and they cross each other in 22 seconds, then what is the speed of each train?
- A.48 m/s
- B.44 m/s
- C.38 m/s
- D.35 m/s
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Answer: B. 44 m/s
Q5.Which of the following numbers is divisible by 3?
- A.245
- B.123
- C.557
- D.781
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Answer: B. 123
Q6.The arithmetic mean of the observations 42, 29, 42, 58, 18, 39, 41, 79 and 93 is:
- A.58
- B.46
- C.49
- D.47
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Answer: C. 49
Q7.P and Q together can fill a cistern with water in 12 hours. If P alone can fill the cistern with water in 30 hours, then in how many hours will Q alone fill one-fourth of the same cistern with water?
- A.10
- B.6
- C.11
- D.5
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Answer: D. 5
Q8.The price of fuel decreases by 30%, 25% and 45% in three successive months, but increases by 45% in the fourth month. What is the percentage increase/decrease in the price of fuel in the fourth month as compared to its original price? (Round off the answer to two decimal places.)
- A.Decreases by 57.65%
- B.Increases by 64.88%
- C.Decreases by 58.13%
- D.Increases by 59.54% Section : General Intelligence and Reasoning
Show answer
Answer: C. Decreases by 58.13%
Q9.Preeti, Qadir and Reena invest sum in the ratio 2 : 8 : 13, respectively. If they earned total profit of ₹87,193 at the end of year, then what is the positive difference between share of Preeti and Reena?
- A.₹41,703
- B.₹41,701
- C.₹41,702
- D.₹41,704
Show answer
Answer: B. ₹41,701
Q10.The mode of the observations 21, 32, 34, 34, 34, 20, 32, 24, 34, 34, 20, 25, 29, 26 and 20 is:
- A.20
- B.21
- C.32
- D.34
Show answer
Answer: D. 34
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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.