Math Questions for SSC CHSL and RRB NTPC EXAM

Q1. An athlete runs 200 metres race in 24 seconds. His speed is:
(a) 20 km/hr
(b) 24 km/hr
(c) 28.5 km/hr
(d) 30 km/hr

Q2. A student walks from his house at 5/2 km/hr and reaches his school late by 6 minutes. Next day, he increases his speed by 1 km/hr and reaches 6 minutes before school time. How far is the school from his house?
(a) 5/4 km
(b) 7/4 km
(c) 9/4 km
(d) 11/4 km

Q3. Two trains for Delhi leave Jaipur at 8.30 a.m. and 9.00 a.m. and travel at 60 and 75 km/hr respectively. How many km from Jaipur will the two trains meet?             
(a) 225 km
(b) 150 km
(c) 200 km
(d) 150 km

Q4. A train passes a pole in 15 seconds and passes platform 100m long in 25 seconds. Find its length.
(a) 120 m
(b) 180 m
(c) 200 m
(d) 150 m

Q5. A alone can finish a work in 10 days which B alone can finish in 15 days. If they work together and finish it, then out of a total wages of Rs. 3000, A will get:
(a) Rs. 1200
(b) Rs. 1400
(c) Rs. 1600
(d) Rs. 1800

Q6. A seller allows a discount of 5% on a watch. If he allows a discount of 7%, he earns Rs. 15 less in the profit. What is the marked price? 
(a) Rs. 697.50
(b) Rs. 712.50
(c) Rs. 750
(d) Rs. 817.50

Q7. The cost price of 24 apples is same as the selling price of 18 apples. The percentage of gain is
(a) 12(1/2)%
(b) 14(2/3)%
(c) 16(2/3)%
(d) 33(1/3)%

Q8. A dozen pairs of socks quoted at Rs. 180 are available at discount 20%. How many pairs of socks can be bought for Rs. 48?
(a) 3 pairs
(b) 4 pairs
(c) 2 pairs
(d) 5 pairs

Q9. The speeds of A and B are in the ratio 3:4. A takes 20 minutes more than B to reach a destination. In what time does A reach the destination?
(a) 4/3 hours
(b) 2 hours
(c) 5/3 hours
(d) 8/3 hours

Q10. When Sarvesh travelled 33 km, he found that 2/3rd of the entire journey was still left. The length of the total journey is:
(a)  88km
(b)  124km
(c)  66km
(d) 99km

Q13. The LCM of two numbers is 48. The numbers are in the ratio of 2 : 3. Find the sum of the numbers.
(a) 28
(b) 32
(c) 40
(d) 64

Q14. The value of x satisfying the equation √(2x+3)+√(2x-1) = 2 is
(a) 3
(b) 2
(c) 1
(d) 1/2

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