RRB Group D - Mathematics PYQ Quiz 190
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 190 — 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.Find the value of (2x+3)2 − (2x−3)2 − 24x
- A.0
- B.2x
- C.4x
- D.1
Show answer
Answer: A. 0
Q2.If 50 litres of a mixture of milk and water contains 12% of water. How much water should be added to make the water 20% in the new mixture?
- A.3 litres
- B.2 litres
- C.5 litres
- D.6 litres
Show answer
Answer: C. 5 litres
Q3.₹7,085 is divided among X, Y and Z in such a way that if ₹92, ₹9 and ₹48 are deducted from their respective shares, they have money in the ratio 3:15:16. Find the difference between Y’s and Z’s original shares.
- A.₹104
- B.₹243
- C.₹54
- D.₹254
Show answer
Answer: B. ₹243
Q4.Ajeet got a new table at 20% discount. If Ajeet did not get any discount, Ajeet would have to pay ₹6,925 extra. So how much did Ajeet pay for the table?
- A.₹27,702
- B.₹27,701
- C.₹27,700
- D.₹27,698
Show answer
Answer: C. ₹27,700
Q5.A shopkeeper buys a laptop for ₹40,000 and sells it for ₹45,000. What is the percentage profit made by the shopkeeper?
- A.17.5%
- B.10.5%
- C.13.5%
- D.12.5%
Show answer
Answer: D. 12.5%
Q6.If the radius of a sphere is 30 cm, then its surface area is:
- A.1800 π cm2
- B.3600 π cm2
- C.900 π cm2
- D.3612 π cm2
Show answer
Answer: B. 3600 π cm2
Q7.A dealer purchased an AC for ₹1,848. After allowing a discount of 58% on its marked price, he still gains 63%. Find the marked price of the AC.
- A.₹7,172
- B.₹7,216
- C.₹7,066
- D.₹7,219
Show answer
Answer: A. ₹7,172
Q8.What is the least number that should be added to 517 so that the number obtained is exactly divisible by 15, 25 and 8?
- A.82
- B.86
- C.83
- D.81
Show answer
Answer: C. 83
Q9.P and Q together can fill a cistern with water in 14 hours. If P alone can fill the cistern with water in 28 hours, then in how many hours will Q alone fill one-fourth of the same cistern with water?
- A.7
- B.14
- C.15
- D.8 Section : General Intelligence and Reasoning
Show answer
Answer: A. 7
Q10.If 48 : b :: b : 75, and b > 0, find the value of b.
- A.65
- B.60
- C.70
- D.55
Show answer
Answer: B. 60
Frequently Asked Questions
Is RRB Group D - Mathematics PYQ Quiz 190 free to attempt on AajExam?
Yes. RRB Group D - Mathematics PYQ Quiz 190 is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete RRB Group D - Mathematics PYQ Quiz 190?
RRB Group D - Mathematics PYQ Quiz 190 runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on RRB Group D - Mathematics PYQ Quiz 190 ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt RRB Group D - Mathematics PYQ Quiz 190 multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
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.