RRB Group D - Mathematics PYQ Quiz 174
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 174 — 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.The mean and the mode of a set of data are 86.7 and 51.3, respectively. Find the median of the data, using the empirical formula.
- A.74.9
- B.75.8
- C.76.2
- D.74
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Answer: A. 74.9
Q2.If the fourth proportional to P, 15 and 20 is 1, then find the value of P.
- A.302
- B.298
- C.297
- D.300
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Answer: D. 300
Q3.The difference between the ages of Girish and Rohan is 10 years. 15 years ago, Girish was twice as old as Rohan. Find Girish's present age.
- A.37 years
- B.35 years
- C.39 years
- D.32 years
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Answer: B. 35 years
Q4.₹10,511 is divided among X, Y, and Z in such a way that if ₹87, ₹42, and ₹12 be deducted from their respective shares, they have money in the ratio 6 : 16 : 12. Find the difference between the Y’s and Z’s original shares.
- A.₹1,120
- B.₹1,320
- C.₹1,250
- D.₹1,370
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Answer: C. ₹1,250
Q5.The arithmetic mean of the observations 52, 40, 76, 99, 52, 27, 80, 27 and 24 is:
- A.47
- B.53
- C.60
- D.56
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Answer: B. 53
Q6.Find a single discount (approximately) equal to three consecutive discounts of 11%, 12% and 2%.
- A.20.49%
- B.25.59%
- C.23.97%
- D.23.25%
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Answer: D. 23.25%
Q7.102 men have provisions for 30 weeks. They are joined by 78 men. How long (in weeks) will the provisions last?
- A.19
- B.15
- C.17
- D.21 Section : General Intelligence and Reasoning
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Answer: C. 17
Q8.The interior angle of a regular polygon is 156°. How many sides does this polygon have?
- A.13
- B.15
- C.14
- D.12
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Answer: B. 15
Q9.What is the percentage of 1/30 of 2/70? (Give the answer correct to two decimal places.)
- A.116.67%
- B.126.67%
- C.233.33%
- D.131.67%
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Answer: A. 116.67%
Q10.The volume (in m^3) of a cube, each edge of which is 45 m, is:
- A.91128
- B.91057
- C.91321
- D.91125
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Answer: D. 91125
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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.