RRB Group D - Mathematics PYQ Quiz 188
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 188 — 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.Which of the following pairs of numbers are relatively prime to each other?
- A.(52, 105)
- B.(68, 85)
- C.(102, 153)
- D.(65, 91)
Show answer
Answer: A. (52, 105)
Q2.A person observes an object on the ground from the top of a tower at an angle of depression 60°. If the distance between the foot of the tower and the object is 10√3 m, then find the height (in m) of the tower.
- A.15√3
- B.21.5
- C.30
- D.20√3
Show answer
Answer: C. 30
Q3.P and Q together can fill a cistern with water in 8 hours. If P alone can fill the cistern with water in 16 hours, then in how many hours will Q alone fill one-fourth of the same cistern with water?
- A.8
- B.5
- C.4
- D.9
Show answer
Answer: C. 4
Q4.A taxi service charges a fixed base fare plus a variable rate per kilometre. For a 10 km trip, Raju paid ₹230, and for a 15 km trip, Meena paid ₹330. What is the base fare and the per-kilometre charge?
- A.Base fare = ₹60; Per-kilometre Charge = ₹20
- B.Base fare = ₹40; Per-kilometre Charge = ₹18
- C.Base fare = ₹30; Per-kilometre Charge = ₹20
- D.Base fare = ₹50; Per-kilometre Charge = ₹18
Show answer
Answer: C. Base fare = ₹30; Per-kilometre Charge = ₹20
Q5.Two trains, A and B, of lengths 457 m and 113 m are running at speeds of 18 m/s and 20 m/s, respectively, towards each other on parallel tracks. In how much time will they cross each other?
- A.12 seconds
- B.5 seconds
- C.23 seconds
- D.15 seconds
Show answer
Answer: D. 15 seconds
Q6.The salaries of X, Y and Z are in the ratio 18:5:10. If the increments of 45%, 86% and 89% are allowed, respectively, in their salaries, then what will be new ratio of their salaries?
- A.89:37:64
- B.90:34:66
- C.85:38:67
- D.87:31:63
Show answer
Answer: D. 87:31:63
Q7.A cyclist rides a 180 km course consisting of three segments. For the first 60 km, the cyclist rides at a speed of 20 km/hr. For the next 60 km, the cyclist rides at 30 km/hr. For the final 60 km, the cyclist rides at 60 km/hr. What is the cyclist's average speed for the entire journey?
- A.29.14 km/hr
- B.26 km/hr
- C.30 km/hr
- D.28.57 km/hr
Show answer
Answer: C. 30 km/hr
Q8.If the radius of a sphere is 22 cm, then its surface area is:
- A.1964 π cm2
- B.1864 π cm2
- C.1936 π cm2
- D.2000 π cm2
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Answer: C. 1936 π cm2
Q9.The amount on a sum of ₹3,500 at 20% per annum compound interest, compounded annually, in 2 years will be:
- A.₹5,040
- B.₹5,138
- C.₹6,011
- D.₹5,564
Show answer
Answer: A. ₹5,040
Q10.The marked price of a toy truck is ₹8,730, and its selling price is ₹5,940. Find the discount percentage. (Round off the answer to two decimal places.)
- A.31.96%
- B.31.89%
- C.28.98%
- D.35.12% Section : General Intelligence and Reasoning
Show answer
Answer: A. 31.96%
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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.