Ques:- Find out the wrong number in the series:
4, 5, 15, 49, 201, 1011, 6073
4, 5, 15, 49, 201, 1011, 6073
A. 5
B. 15
C. 49
D. 201
Ques:- In what ratio must tea at Rs. 62 per kg be mixed with tea at Rs. 72 per kg so that the mixture must be worth Rs. 64.50 per kg?
A. 3 : 1
B. 3 : 2
C. 4 : 3
D. 5 : 3
Ques:- A train 270 meters long is moving at a speed of 25 km/hr. It will cross a man coming from the opposite direction at a speed of 2 km per hour is
A. 24 seconds
B. 28 seconds
C. 32 seconds
D. 36 seconds