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Ques:- The numbers 1, 3, 5, ….., 25 are multiplied together. The number of zeros at the right end of the product is
A. Four
B. Three
C. Two
D. Zero
Ques:- The product of two numbers is 1320 and their HCF is 6. The LCM of the numbers is
A. 220
B. 1314
C. 1326
D. 7920
Ques:- The smallest number that must be added to 803642 in order to obtain a multiple of 11 is
A. 1
B. 4
C. 7
D. 9
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