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Ques:- Find out the wrong number in a given series.
2, 3, 6, 15, 52.5, 157.5, 630
2, 3, 6, 15, 52.5, 157.5, 630
A. 6
B. 15
C. 52.5
D. 157.5
Ques:- A train travelling at a speed of 90 km/hr, crosses a pole in 10 seconds. The length of the train is
A. 100 m
B. 150 m
C. 250 m
D. 900 m
Ques:- The least number should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is
A. 3
B. 13
C. 23
D. 33
Ques:- Find out the wrong number in each sequence:
105, 85, 60, 30, 0, – 45, – 90
105, 85, 60, 30, 0, – 45, – 90
A. 85
B. 60
C. -45