RRB Group D - Mathematics PYQ Quiz 168
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 168 — 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 inradius of a triangle is 8 cm and the sum of the lengths of its sides is 60 cm. Find the area (in cm2) of the triangle.
- A.240
- B.260
- C.280
- D.480
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Answer: A. 240
Q2.A jeep travels 80 km at the speed of 40 km/hr and the next 36 km at the speed of 18 km/hr. What is its average speed (in km/hr)?
- A.23
- B.35
- C.33
- D.29
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Answer: D. 29
Q3.Roshan and Anshu together invested ₹13,500 in a business. At the end of the year, out of a total profit of ₹9,000, Roshan's share was ₹1,300. What was Roshan's investment?
- A.₹1,765
- B.₹2,295
- C.₹1,950
- D.₹1,565
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Answer: C. ₹1,950
Q4.A typist takes 40 minutes to type 2 pages. How many pages will he type in 80 minutes?
- A.4
- B.3
- C.1
- D.2
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Answer: A. 4
Q5.A and B working together can do a piece of work in 3 days. B alone can do the same work in 6 days. How long (in days) will A alone take to do double the work?
- A.13
- B.6
- C.15
- D.12
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Answer: D. 12
Q6.The average age of 24 students of a class is 46 years. If the age of the teacher is also included, the average age of the whole group becomes 47 years. The age (in years) of the teacher is:
- A.73
- B.74
- C.70
- D.71 Section : General Intelligence and Reasoning
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Answer: D. 71 Section : General Intelligence and Reasoning
Q7.The cost of a washing machine is 26% less than the cost of a TV. If the cost of the washing machine increases by 86% and that of the TV decreases by 38%, then what is the percentage change in the total cost of 8 washing machines and 4 TVs?
- A.Increase by 38%
- B.Increase by 36%
- C.Decrease by 29%
- D.Decrease by 30%
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Answer: B. Increase by 36%
Q8.Kanchan spends 60% of her income. If she saves ₹90,000, then her income (in ₹) is:
- A.2,24,000
- B.2,25,000
- C.54,000
- D.2,26,000
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Answer: B. 2,25,000
Q9.The monthly incomes of two friends Chetan and Vipul are in the ratio 5 : 9 respectively and each of them saves ₹45,000 every month. If the ratio of their monthly expenditure is 2 : 4, then find the monthly income of Chetan (in ₹).
- A.2,26,000
- B.3,15,000
- C.2,24,000
- D.2,25,000
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Answer: D. 2,25,000
Q10.A car travels 209 km in the first hour and 83 km in the second hour. What is the average speed (in km/hr) of the car for the whole journey?
- A.146
- B.142
- C.141
- D.150
Show answer
Answer: A. 146
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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.