Railway RRB Maths Questions
Q.No: 1
An article is sold at a 10% profit. If it been sold for Rs.18 less there would have been a loss of 12.5% on it. Find the SP of article for 30% profit.
- A) 100
- B) 80
- C) 88
- D) 104
Correct Ans: D
Q.No: 2
A shopkeeper purchased 120 pears for Rs.15 each. However, 10 pears were rotten and thrown away. The remaining sold at Rs.18 each. What will be the percentage profit?
- A) 20%
- B) 10%
- C) 50%
- D) 30%
Correct Ans: B
Q.No: 3
The average weight of a certain number of students in a group is 72 kg. If 10 students having an average weight of 78 kg leave and 4 students having an average weight of 80 kg join the group, the average weight of the students in the group decreases by 0.7 kg. The number of students initially in the group is:
- A) 56
- B) 46
- C) 44
- D) 54
Correct Ans: B
Q.No: 4
What is the sum of the digits of the least number, which when divided by 12, 16 and 54, leaves the same remainder 7 in each case, and is also completely divisible by 13?
- A) 36
- B) 27
- C) 9
- D) 16
Correct Ans: D
Q.No: 5
A person covers a certain distance with a certain speed. If he reduces his speed by 25 km/hr, then he will be 12.5 min late. If his initial speed is 160 km/hr, find the distance covered by him.
- A) 180 km
- B) 172 km
- C) 160 km
- D) 192 km
Correct Ans: A