RRB Group D - Mathematics PYQ Quiz 191
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 191 — 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.A sum of ₹150 is divided into two parts. The first part is ₹2 more than three times the second part. Find the second part.
- A.₹37
- B.₹35
- C.₹115
- D.₹113
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Answer: A. ₹37
Q2.A show ticket costs ₹7.50 for a parent and ₹3 for a child. If a total of ₹5,925 is collected by selling 952 tickets in all, then find the number of children's tickets sold.
- A.500
- B.300
- C.270
- D.682
Show answer
Answer: C. 270
Q3.A shopkeeper offers a scheme of either selling articles at successive discounts of 30% and 20% or one where a customer can 'buy 2, get 1 free'. The positive difference in overall nominal percentage discounts offered in the two schemes is:
- A.11 2/3 %
- B.10 1/3 %
- C.11 1/3 %
- D.10 2/3 %
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Answer: D. 10 2/3 %
Q4.The volume of a right circular cylinder is 814 cm³. If the radius and the height of the cylinder are equal, find the height (in cm) of the cylinder. (Use π = 22/7)
- A.√259
- B.2∛259
- C.∛259
- D.∛295
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Answer: C. ∛259
Q5.A shopkeeper finds that when he sells one kind of rice at ₹50 per kg he loses 20% and when he sells another kind of rice at ₹72 per kg he gains 20%. If he mixes them in the ratio 3 : 2 and sells the mixture at ₹64 per kg, then what is his overall gain percentage (correct to one decimal place)?
- A.5.4%
- B.4.1%
- C.4.5%
- D.5.6%
Show answer
Answer: B. 4.1%
Q6.The sum of a number and its reciprocal is −2. Find the quadratic equation associated with the situation and also the number.
- A.x² + 2x + 1 = 0, x = 1
- B.x² + 2x − 1 = 0, x = −1
- C.x² + 2x + 1 = 0, x = −1
- D.x² − 2x + 1 = 0, x = −1
Show answer
Answer: C. x² + 2x + 1 = 0, x = −1
Q7.In a right-angled triangle ABC, right-angled at B, if tan A = 1/√3, the value of (sin A cos C + cos A sin C) is:
- A.1
- B.3/4
- C.1/2
- D.1/4
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Answer: A. 1
Q8.The LCM of 62 and 30 is:
- A.310
- B.9300
- C.930
- D.1860
Show answer
Answer: C. 930
Q9.A sum of money triples itself at a certain rate of compound interest in 10 years. In how many years will it amount to 9 times of itself?
- A.15 years
- B.20 years
- C.30 years
- D.25 years
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Answer: B. 20 years
Q10.Vishan scored X runs in his 10ᵗʰ innings. After scoring those runs, his average per innings increased by 8 runs. If the new average is 28, then find the value of X.
- A.110
- B.90
- C.105
- D.100
Show answer
Answer: D. 100
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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.