A man covered a certain distance at some speed. Had he moved 3 km per hour faster, he would have taken 40 minutes less. If he had moved 2 km per hour slower, he would have taken 40 minutes more. The distance (in km) is:
(A) 25
(B) 40
(C) 20
(D) 35
Two train of length 100 meter and 80 meter respectively run on parallel lines of rails. When running in the same direction the faster train passed the slower one in 18 second, but when they are running in opposite directions with the same speed as earlier, they pass each other in 9 seconds. Find the speed of each train.
(A) 20 m/sec, 15 m/sec
(B) 5 m/sec, 15 m/sec
(C) 20 m/sec, 25 m/sec
(D) 30 m/sec, 15 m/sec
A 450 meter long train crosses a bridge 650 meters long in 36 seconds. What is speed (in km/hr) of the train?
(A) 125
(B) 150
(C) 110
(D) 95
₹ 26100 is divided between Ram and Shyam so that the interest that Ram receives in 3 years is the same as that Shyam receives in 6 years. If the interest rate of 4 % per annum then Ram's share is
(A) ₹ 8,700
(B) ₹ 19,000
(C) ₹ 8,500
(D) ₹ 17,400
A sum of money lent out at simple interest amounts to ₹720 after 2 years and 1020 after a further period of 5 years. Find the principal.
(A) ₹ 1740
(B) ₹ 120
(C) ₹ 6000
(D) ₹ 600
There are four different bags. Also, there are four different coins. In how many ways can the coins be put into bags if there are exactly two coins in exactly one of the bags?
(A) 48
(B) 96
(C) 72
(D) 144
(E) 180
Out of 5 men and 3 women. committee of 3 members is to be formed so that it has 1 woman and 2 men. In how many different ways can it be done?
(A) 20
(B) 10
(C) 23
(D) 30
(E) None of these
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