Ques:- If m, n, o, p and q are integers, then m(n + o) (p – q) must be even when which of the following is even?
A. m
B. n
C. m + n
D. n + p
Ques:- A train 280 m long is moving at 60 km/hr. Time taken by the train to cross a tunnel 220 m long is
A. 15 sec
B. 20 sec
C. 25 sec
D. 30 sec
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:- At a special sale, 5 tickets can be purchased for the price of 3 tickets. If 5 tickets are purchased at the sale, the amount saved will be what percent of the original price of the 5 tickets?
A. 20%
B. $$33$$$$1 / {3}$$%
C. 40%
D. 60%