RRB Group D - Mathematics PYQ Quiz 175
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 175 — 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.Find the sum of the squares of x and y, given that the number 83y547x is divisible by 72.
- A.23
- B.53
- C.43
- D.13
Show answer
Answer: B. 53
Q2.A hollow cylindrical pipe has an outer radius of 7 cm and an inner radius of 5 cm. If the pipe is 42 cm long and made of metal with a density of 5 g/cm^3, what is the mass of the pipe? (Use π = 22/7 and Density = Mass/Volume)
- A.15.72 kg
- B.15.98 kg
- C.15.84 kg
- D.15.56 kg
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Answer: C. 15.84 kg
Q3.What is the HCF of 32, 28 and 24?
- A.6
- B.8
- C.4
- D.2
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Answer: C. 4
Q4.A trader buys an item for ₹1805 and incurs a loss of 5% while selling it. At what price should he sell the item to make a profit of 5%?
- A.₹1995
- B.₹1985
- C.₹2005
- D.₹2105
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Answer: A. ₹1995
Q5.Four years ago, the ratio of a mother's age to her daughter's age was 5:1. After 5 years from now, the ratio of the mother's age to the daughter's age will be 4:1. Find the present ages of the mother and the daughter.
- A.19 : 4
- B.6 : 17
- C.4 : 17
- D.19 : 6
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Answer: A. 19 : 4
Q6.If 2x + 3y = 8 and 4x^2 + 9y^2 = 32, then find the value of 8x^3 + 27y^3.
- A.142
- B.128
- C.106
- D.112
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Answer: B. 128
Q7.₹2,037 is divided among Vikas, Tina and Sumit in such a way that if their shares are reduced by ₹23, ₹42 and ₹52 respectively, then their remaining shares are in the ratio 14 : 19 : 15. Find Tina's actual share.
- A.₹660
- B.₹910
- C.₹810
- D.₹802
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Answer: D. ₹802
Q8.Find the simple interest on Rs 2,000 at a rate of 7% per annum for the period from 6 February 2023 to 20 April 2023.
- A.26
- B.28
- C.27
- D.29
Show answer
Answer: B. 28
Q9.If 3/4 of a number is 10% more than 20% of 882, then find the number.
- A.59780
- B.61960
- C.58800
- D.62560
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Answer: C. 58800
Q10.A and B together can complete a piece of work in 12 days, while A and C together can complete the same work in 20 days. If B and C together complete the work in 15 days, find the ratio of the number of days in which A and B alone respectively complete the work.
- A.3:5
- B.5:7
- C.1:3
- D.2:3
Show answer
Answer: C. 1:3
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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.