RRB Group D - Mathematics PYQ Quiz 185
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 185 — 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 HCF of the numbers 4220, 5440 and 6880.
- A.60
- B.40
- C.20
- D.80 Section : General Intelligence and Reasoning
Show answer
Answer: C. 20
Q2.A person is 3 times as old as their sibling. If the sum of their ages is 40 years, then how old is the person?
- A.10 years
- B.20 years
- C.40 years
- D.30 years
Show answer
Answer: D. 30 years
Q3.One pipe can fill a tank in 7 minutes, while another pipe can empty the completely filled tank in 14 minutes. If both the pipes are opened together when the tank is empty, how many minutes will it take to fill one-half of the tank?
- A.15
- B.7
- C.8
- D.14
Show answer
Answer: B. 7
Q4.If 20% of a number is added to 60, then the result is the same number. 75% of the same number is:
- A.56.25
- B.86.25
- C.76.25
- D.66.25
Show answer
Answer: A. 56.25
Q5.If Sonali's salary first decreased by 25% and then increased by 12%, what is the percentage effect on her salary?
- A.Increases by 16%
- B.Decreases by 16%
- C.Decreases by 12%
- D.Increases by 12%
Show answer
Answer: B. Decreases by 16%
Q6.The average age of 32 students of a class is 21 years. If the age of the teacher is also included, the average age of the whole group becomes 22 years. The age (in years) of the teacher is:
- A.54
- B.52
- C.59
- D.57
Show answer
Answer: A. 54
Q7.Two trains are running along parallel tracks towards each other at speeds of 40 km/h and 60 km/h, respectively. If the length of each train is 125 metres, then how much time will they take to cross each other?
- A.7 seconds
- B.9 seconds
- C.5 seconds
- D.12 seconds
Show answer
Answer: B. 9 seconds
Q8.The marked price of a painting was ₹7,500, but the shopkeeper offered a double discount in a successive manner of 14% and 28%. Ultimately for how much did he sell the item?
- A.₹4,674
- B.₹4,610
- C.₹4,644
- D.₹4,490
Show answer
Answer: C. ₹4,644
Q9.A salesman marks his goods 5% above the cost price and gives a discount of 40% on them. Find his loss percentage.
- A.37%
- B.35%
- C.36%
- D.34%
Show answer
Answer: A. 37%
Q10.The average of 7 numbers is 25. If each number is decreased by 3, what will the new average be?
- A.7
- B.19
- C.25
- D.22
Show answer
Answer: D. 22
Frequently Asked Questions
Is RRB Group D - Mathematics PYQ Quiz 185 free to attempt on AajExam?
Yes. RRB Group D - Mathematics PYQ Quiz 185 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 185?
RRB Group D - Mathematics PYQ Quiz 185 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 185 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 185 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.