Q). A train travelling at 48 KMPH completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is
A) 600 meters
B) 560 meters
C) 400 meters
D) 450 meters
Q). How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A) 3.5 years
B) 4 years
C) 4.5 years
D) 5 years
Q). The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is :
A) 15
B) 16
C) 18
D) 25
Q). If A = x% of y and B = y% of x, then which of the following is true ?
A) A is smaller than B
B) A is greater than B
C) If x is smaller than y, then A is greater than B
D) A is equal to B
Q). The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
A) 75 kg
B) 85 kg
C) 86 kg
D) 74 kg