RRB Group D - Mathematics PYQ Quiz 195
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 195 — 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.Two numbers a and b are such that a : 24 :: 24 : b, and a : b :: b : 192. Find the value of (a + b).
- A.48
- B.72
- C.54
- D.60
Show answer
Answer: D. 60
Q2.(3 − 4 sin² θ)/cos² θ can be simplified as:
- A.3 + tan² θ
- B.3cos² θ − 4sec² θ
- C.3cot² θ − tan² θ
- D.3 − tan² θ
Show answer
Answer: D. 3 − tan² θ
Q3.A metallic sphere of radius 10.5 cm is melted and then recast into small spheres, each of radius 3.5 cm. Find the number of small spheres thus obtained.
- A.72
- B.32
- C.30
- D.27
Show answer
Answer: D. 27
Q4.If the interest earned during the 2ⁿᵈ year on a certain sum is ₹2,761, and the rate of interest is 10% per annum compounded annually, then the sum is:
- A.₹25,150
- B.₹26,100
- C.₹21,500
- D.₹25,100
Show answer
Answer: D. ₹25,100
Q5.Which of the numbers given below is divisible by 11?
- A.359247615447536920
- B.359247615447536915
- C.359247615447753698
- D.359247615447536923
Show answer
Answer: B. 359247615447536915
Q6.A trader owes a merchant ₹12,500 due in one year. However, the trader wants to settle the amount after 6 months. If the rate of interest is 8% per annum, then how much money should he pay? (Give your answer correct to the nearest whole number value.)
- A.₹12,091
- B.₹10,291
- C.₹10,219
- D.₹12,019
Show answer
Answer: D. ₹12,019
Q7.If the mean and mode of a particular data are 12 and 21, respectively, then using empirical relation, find the median.
- A.14
- B.16
- C.12
- D.15
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Answer: D. 15
Q8.A starts a business with ₹7,250 and after 3 months, B joins A as his partner. After a year since A started the business, the profit is divided between A and B in the ratio 8 : 9. What is B's contribution in the capital?
- A.₹10,250
- B.₹10,500
- C.₹10,000
- D.₹10,875
Show answer
Answer: D. ₹10,875
Q9.Find the total surface area (in square units) of a hollow hemisphere whose outer radius is 10 units and inner radius is 5 units.
- A.225π
- B.425π
- C.375π
- D.325π
Show answer
Answer: D. 325π
Q10.The sum of the interior angles of a polygon with 200 sides is:
- A.35,604°
- B.35,640°
- C.35,460°
- D.36,540°
Show answer
Answer: B. 35,640°
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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.