RRB Group D - Mathematics PYQ Quiz 176
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 176 — 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.
Q1.24, 3 and 16 are the fourth proportional, A and 20 are in continued proportion. What is the value of A?
- A.201
- B.202
- C.199
- D.200
Show answer
Answer: D. 200
Q2.A, B and C can each complete a piece of work in 12 days, 24 days and 8 days respectively. If they work together, in how much time (in days) will the work be completed?
- A.4
- B.6
- C.9
- D.3
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Answer: D. 3
Q3.A shopkeeper allows a discount of 65% on the marked price of an item and still makes a profit of 82%. Find the ratio of the cost price to the marked price.
- A.6 : 29
- B.7 : 32
- C.5 : 26
- D.2 : 33
Show answer
Answer: C. 5 : 26
Q4.A car runs at 70 km/hr for 1 hour and at a speed of 'p' km/hr for 1 1/2 hours. If the average speed is 52 km/hr, find the value of p.
- A.57.5
- B.40
- C.60
- D.52.5
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Answer: B. 40
Q5.If sin θ = 3/5, then find the value of cos θ. (θ is in the first quadrant.)
- A.5/4
- B.5/6
- C.4/5
- D.3/5
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Answer: C. 4/5
Q6.A girl goes at a speed of 9 km/hr and returns at a speed of 45 km/hr. Find her average speed for the whole journey.
- A.20 km/hr
- B.7 km/hr
- C.22 km/hr
- D.15 km/hr
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Answer: D. 15 km/hr
Q7.The price of fuel increased by 50%, 30% and 50% respectively over three consecutive months, but in the fourth month the price of fuel decreased by 65%. What is the percentage change in the price of fuel at the end of the fourth month compared to the original price? (Round to two decimal places.)
- A.71.13% increase
- B.72.43% decrease
- C.75.87% decrease
- D.67.43% increase
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Answer: A. 71.13% increase
Q8.Find the value of ((1/3)^(-2) - (1/2)^(-2)) ÷ (1/4)^(-2) + ((-3/2)^4 × (5/3)^2).
- A.313/8
- B.208/7
- C.402/11
- D.125/3
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Answer: A. 313/8
Q9.The average age of 39 students in a class is 27 years. If the teacher's age is also included, the average age of the whole group becomes 28 years. What is the teacher's age (in years)?
- A.69
- B.67
- C.68
- D.70
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Answer: B. 67
Q10.The total price of 5 white pens, 2 red pens and 3 blue pens is Rs 78. The total price of 2 white pens, 3 red pens and 4 blue pens is Rs 72. Find the total price of 1 white pen, 1 red pen and 1 blue pen.
- A.Rs 30
- B.Rs 26
- C.Rs 36
- D.Rs 33
Show answer
Answer: A. Rs 30
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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.