RRB Group D - Mathematics PYQ Quiz 147
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 147 — 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 ratio of 20 hours to 7 days is equivalent to which of the following?
- A.2:47
- B.20:7
- C.5:42
- D.4:43
Show answer
Answer: C. 5:42
Q2.A man observes the top of a building at an angle of elevation 45°. If the building is 20 m high, find the distance of the man from the building.
- A.30 m
- B.25 m
- C.35 m
- D.20 m
Show answer
Answer: D. 20 m
Q3.The sum of two numbers is 45 and their difference is 9. Find the smaller number.
- A.18
- B.15
- C.20
- D.12
Show answer
Answer: A. 18
Q4.The average age of 31 students of a class is 34 years. If the age of the teacher is also included, the average age of the whole group becomes 35 years. The age (in years) of the teacher is:
- A.63
- B.66
- C.69
- D.67
Show answer
Answer: B. 66
Q5.The trains Rajdhani Express and Garib Rath Express run in the same direction with speeds of 101 km/hr and 65 km/hr, respectively, and their lengths are same. What is the length of Rajdhani Express if it completely crosses Garib Rath Express in 66 seconds?
- A.326 m
- B.338 m
- C.330 m
- D.322 m
Show answer
Answer: C. 330 m
Q6.A, B and C can do a piece of work in 3, 12 and 4 days, respectively. How long (in days) will they take to do twice the same work, working together?
- A.4
- B.9
- C.3
- D.6
Show answer
Answer: C. 3
Q7.The sum of the first 11 prime numbers is:
- A.162
- B.165
- C.164
- D.160
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Answer: D. 160
Q8.A train travels at a speed of 72 km/hr. How long will it take to cover a distance of 180 km?
- A.2.1 hours
- B.2.5 hours
- C.2.4 hours
- D.2.7 hours
Show answer
Answer: B. 2.5 hours
Q9.The selling price of an iPhone is ₹3,300, after allowing two successive discounts of 36% and 25%. Find the marked price of the iPhone.
- A.₹6,875
- B.₹6,815
- C.₹6,983
- D.₹6,769
Show answer
Answer: A. ₹6,875
Q10.At present, the ratio of the ages of Meena and Sita is 5 : 4 and sixteen years from now, the ratio will get changed to 9 : 8. Find the present age of Meena.
- A.20 years
- B.21 years
- C.23 years
- D.22 years
Show answer
Answer: A. 20 years
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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.