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:- What should come in place of the question mark (?) in the following letter AC FH KM PR ?
A. VW
B. UX
C. UW
D. TV
E. None of these
Ques:- Which of the commodities listed below is the highestforeign exchange earner for India?
A. Tea
B. Coffee
C. Coal
D. Iron ore