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RRB · Mathematics

Set 7 — 09 May 2026 (12:45 PM - 2:15 PM)

2025 · 30 questions · First 10 Solutions Free
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Q1 mcq
Aman and Raj invested ₹12,000 and ₹18,000, respectively, in a business. After one year, they earned a profit of ₹15,000. How much profit will each get?
a.
Aman: ₹7,500, Raj: ₹7,500
b.
Aman: ₹5,000, Raj: ₹10,000
c.
Aman: ₹6,000, Raj: ₹9,000 Correct Answer
d.
Aman: ₹8,000, Raj: ₹7,000

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Q2 mcq
A car covers a distance of 180 km in 3 hours. Find its average speed.
a.
80 km/h
b.
60 km/h Correct Answer
c.
50 km/h
d.
70 km/h

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Q3 mcq
In a parallelogram, the difference of two adjacent angles is 40°. Find the measure of the smaller angle.
a.
80°
b.
60°
c.
50°
d.
70° Correct Answer

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Q4 mcq
A shopkeeper sells a watch for ₹840 after giving a 30% discount. What was the marked price (in ₹) of the watch?
a.
1,000
b.
1,200 Correct Answer
c.
1,050
d.
1,100

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Q5 mcq
40 persons begin to work together on a job. But after some days 10 persons left the work. As a result, the job which should have been completed in 50 days is completed in 60 days. How many days after the commencement of the work did the 10 persons leave?
a.
20 Correct Answer
b.
18
c.
22
d.
15

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Q6 mcq
The price of an article is decreased by 24%, but the daily sale of the article is increased by 33%. Find the net effect on the daily sale receipts.
a.
1.08% decrease
b.
2.16% increase
c.
1.08% increase Correct Answer
d.
2.16% decrease

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Q7 mcq
Find the median of the following data (correct to two places of decimal). Class interval 0-6 6-12 12-18 18-24 24-30 30-36 Frequency 5 7 10 13 9 8
a.
26.48
b.
19.85 Correct Answer
c.
21.23
d.
29.73

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Q8 mcq
A sum of money amounts to ₹19,360 in 3 years at 10% per annum, compounded annually. The compound interest (in ₹) earned is (Round off your answer to the nearest paise.)
a.
₹4914.55
b.
₹4714.55
c.
₹4814.55 Correct Answer
d.
₹4614.55

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Q9 mcq
If 9 notebooks cost ₹135, how much will 20 notebooks of the same type cost?
a.
₹300 Correct Answer
b.
₹320
c.
₹280
d.
₹270

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Q10 mcq
Three automatic doors in a metro station undergo system checks at regular intervals of 14 minutes, 18 minutes, and 21 minutes, respectively. If all three doors are checked together at the start, after how many minutes will they be checked together again for the first time?
a.
126 minutes Correct Answer
b.
132 minutes
c.
136 minutes
d.
142 minutes

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Q11 mcq
Three numbers are in the ratio 5 : 14 : 9, and their LCM is 7560. Their HCF is:8622
a.
32
b.
53
c.
12
d.
11
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Q12 mcq
Five years ago, the age of Kavita was one-third of the present age of her mother. After 5 years, the sum of their ages will be 75 years. What is Kavita’s present age?
a.
22 years
b.
21 years
c.
23 years
d.
20 years
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Q13 mcq
Riya and Neha have certain amount of money. If Riya gives ₹20 to Neha, then Riya will have three times as much money as Neha. However, if Neha gives ₹40 to Riya, then Riya will have five times as much money as Neha. What is the total amount of money (in ₹) that Riya and Neha initially had together?
a.
710
b.
690
c.
720
d.
700
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Q14 mcq
A shopkeeper bought 7 decorative lamps for ₹2,850. Due to damage, 2 lamps could not be sold. He sold the remaining lamps at ₹360 each. What is his total loss (in ₹)?
a.
₹960
b.
₹1,050
c.
₹1,100
d.
₹840
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Q15 mcq
A cylindrical tank has a radius of 7 m and a height of 11 m. How many litres of water can it hold? (Use π = 22/7)
a.
16,84,000
b.
16,64,000
c.
16,74,000
d.
16,94,000
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Q16 mcq
A shopkeeper offers the following schemes on toys of the same marked price. (A) Successive discounts of 18% and 39% on any number of toys bought. (B) Successive discounts of 29%, 45% and 4% on any number of toys bought. (C) 29% discount on the first 8 toys and 31% discount on each toy thereon. (D) 7 toys free of cost on buying 8 toys. A customer wants to buy 8 toys. Which of the above schemes is the least beneficial to her?
a.
B
b.
C
c.
A
d.
D
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Q17 mcq
A trader sells rice, claiming 1 kg but actually gives x grams. He marks the price 20% above the cost price and gives a 10% discount on the marked price. If his overall profit is 25%, find x.
a.
864
b.
856
c.
870
d.
825
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Q18 mcq
Sarang invested a certain sum of money at 10% per annum. After 2 years, he received ₹178.5 as compound interest, compounded annually. Find the corresponding simple interest (in ₹) for 2 years at the same rate.
a.
180
b.
170
c.
165
d.
185
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Q19 mcq
Two taps can fill a cistern in 4 hours and 18 hours, respectively. A third tap can empty it in 18 hours. How long (in hours) will it take to fill one-fourth of the empty cistern if all the taps are opened together?
a.
1
b.
3
c.
4
d.
2
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Q20 mcq
The price of an article increases and decreases alternately by 20% every year. If the difference between the prices at the end of the second year and third year is ₹1,920, find 40% of the price (in ₹) of the article at the end of the first year.
a.
₹2,400
b.
₹3,600
c.
₹4,800
d.
₹3,200
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Q21 mcq
The sum of two positive numbers is 77 and their product is 1392. The positive difference between them is:
a.
37
b.
21
c.
19
d.
24
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Q22 mcq
Find the mode of the following distribution: Class 5-15 15-25 25-35 35-45 Frequency 6 14 18 12
a.
30
b.
26
c.
29
d.
28
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Q23 mcq
The cost of a certain fabric is directly proportional to its length for a given width. If the cost of 8 meters of the fabric is ₹3,200, what will be the cost of 25 meters of the same fabric?
a.
₹10,000
b.
₹9,600
c.
₹9,800
d.
₹9,400
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Q24 mcq
In a fitness park, a straight walking path is divided into three consecutive segments. The lengths of the first and third segments are 18 m and 50 m respectively. If the length of the middle segment is the mean proportional between the other two, what is its length?
a.
27 m
b.
36 m
c.
25 m
d.
30 m
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Q25 mcq
If p is a prime number and GCD (p 2 −1, p 2 +1) = 2, then the value of p must be:
a.
Only 2
b.
Only 3
c.
Any prime number
d.
Any odd prime
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Q26 mcq
Find the value of m which satisfies
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Q27 mcq
Two trains, X and Y, start at the same time from Delhi and Mumbai towards and train Y takes 8 hours to reach Delhi. If train X’s speed is 60 km/h, what
a.
A.
b.
B.
c.
C.
d.
D.
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Q28 mcq
a.
17
b.
21
c.
19
d.
15 each other. After meeting, train X takes 6 hours to reach Mumbai, is the speed of train Y?
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Q29 mcq
The value of (cos 2 67° – sin 2 23°) + 4 Cos30° is:3574
a.
A.
b.
B.
c.
C.
d.
D.
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Q30 mcq
a.
A.
b.
B.
c.
C.
d.
D. GA
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