Railway RRB Group D 2025 Math Practice SET 4: The Railway RRB Group D 2025 Math Practice Set 4 is designed to help candidates prepare for the Computer-Based Test (CBT) exam. This practice set includes a variety of math questions based on the latest syllabus and exam pattern, covering topics such as arithmetic, algebra, geometry, and data interpretation. It aims to enhance problem-solving skills and improve speed and accuracy for the exam.
Railway RRB Group D 2025 Math Practice SET 4
Here are the MCQs:
Q.1.
The ratio of incomes of Amar and Komal is 5:4, and the ratio of their expenditures is 2:1. If each of them saves Rs. 6,000 per month, find Amar’s income.
a) Rs. 10,000
b) Rs. 6,000
c) Rs. 12,000
d) Rs. 8,000
Q.2.
For every 18 eggs that Noori buys, 3 eggs turn out to be rotten. At the same rate, how many good eggs will Noori have if she buys 690 eggs?
a) 585
b) 475
c) 575
d) 565
Q.3.
In a school, the number of boys and girls were in the ratio 5:7. Eight more boys were admitted during the session. The new ratio of girls and boys is 1:1. In the beginning, the difference between the number of boys and that of girls was:
a) 10
b) 12
c) 2
d) 8
Q.4.
A certain sum of money was divided among three friends: Rajeev, Kewal, and Amit in the ratio of 2:3:7. If Amit’s share is Rs. 15 more than that of Kewal, then what is the sum of money which was divided?
a) Rs. 180
b) Rs. 45
c) Rs. 57
d) Rs. 27
Q.5.
Three friends arranged a party. Tanveer paid as much as Yusuf paid. Yusuf paid as much as Sachin paid. The fraction of the total expenditure by Yusuf was:
a) 1/2
b) 3/7
c) 1/3
d) 1/11
Q.6.
In a firm, the ratio of male and female members was 4:5. The firm decided to increase the number of males by 80% and the number of females by 60%. What will be the new ratio of male members to female members in the firm?
a) 8:10
b) 9:10
c) 18:15
d) 15:16
Q.7.
P can do 2/5 part of some work in 10 days. If P and Q can do 1/3 part of the same work in 5 days, what is the ratio of their efficiencies?
a) 3:4
b) 4:3
c) 3:2
d) 2:3
Q.8.
A man, a woman, and a boy can do work individually in 3, 4, and 12 days respectively. How many boys are to be employed to help 3 men and 4 women to finish the work in 1/2 of a day?
a) 12
b) 20
c) 24
d) 28
Q.9.
A can complete 25% of a work in 3 days, and B can complete half of the same work in 18 days. If both of them work together, then in how many days can they complete the same work?
a) 6
b) 12
c) 9
d) 15
Q.10.
If working together, A, B, and C can complete a piece of work in 4 days. However, after starting the work, B left, and A and C completed the remaining part of the work in 6 days. If B had to work alone, in how many days would it have taken him to complete the work?
a) 9
b) 8
c) 15
d) 12
Q.11.
A can do a piece of work in 15 days, while A and B together can do the same work in 7.5 days. How much time will B take to complete the same work alone?
a) 20 days
b) 17.5 days
c) 15 days
d) 12.5 days
Q.12.
A and B can do a work in 12 days, B and C can do the same work in 15 days, while A and C can do the same work in 36 days. In how many days will all three together complete the same work?
a) 11.15 days
b) 11.25 days
c) 11.20 days
d) 10.75 days
Q.13.
Two pipes can fill a tank in 20 hours and 60 hours respectively. A third pipe is an outlet pipe. If all three are opened together, the tank gets filled up in 40 hours. What time will the outlet pipe take to empty the full tank?
a) 24 hours
b) 28 hours
c) 20 hours
d) 30 hours
Q.14.
A pipe P can drain out water from a tank in 20 hours. Another pipe Q can drain 20 litres per hour. If both drains are opened, the tank is emptied in 12 hours. What is the capacity of the tank?
a) 400 litres
b) 800 litres
c) 650 litres
d) 600 litres
Q.15.
A tank is fitted with three inlets. The first two, when opened simultaneously, fill the tank in the same time as that taken by the third inlet alone. The second inlet can fill the tank 5 hours faster than the first and 4 hours slower than the third. In how many hours can the first inlet alone fill the tank?
a) 15 hours
b) 6 hours
c) 12 hours
d) 10 hours
Also Read: RRB Group D 2025 Math Practice SET 3 for CBT Exam
Answers to the Railway RRB Group D 2025 Math Practice SET 4
Here are the answers:
- a
- c
- d
- b
- b
- b
- c
- c
- c
- d
- c
- b
- a
- d
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