(1) 1 (2) 3 (3) 7 (4) 9
A boy was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 324 more than the correct answer. The number to be multiplied was
(1) 12.
(2) 15
(3) 25
(4) 32
1) 100 2) 50
3) 75 4) 60
Train A travelling with a speed of 90 km/hr crosses a 500 m long train B travelling in the opposite direction in 36 seconds. What is the length of the train A in metres?
(1) 500
(2) 250
(3) 600
(4) Data inadequate