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Ques:- A number is divisible by 11 if the difference between the sum of the digits in odd and even places respectively is
A. a multiple of 3
B. a multiple of 5
C. zero or a multiple of 7
D. zero or a multiple of 11
Ques:- A train takes 9 sec to cross a pole. If the speed of the train is 48 kmph, then length of the train is
A. 80 m
B. 90 m
C. 120 m
D. 150 m
Ques:- Find out the wrong number in each sequence:
22, 33, 69, 99, 121, 279, 594
22, 33, 69, 99, 121, 279, 594
A. 594
B. 279
C. 121
D. 33