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Ques:- A and B started a business jointly. A’s investment was thrice the investment of B and the period of his investment was two times the period of investment of B. if B received Rs. 4000 as profit, then their total profit is
A. Rs. 16,000
B. Rs. 24,000
C. Rs. 28,000
D. Rs. 32,000
Ques:- A 260 meter long train crosses a 120 meter long wall in 19 seconds. What is the speed of the train?
A. 27 km/hr
B. 49 km/hr
C. 72 km/hr
D. 92 km/hr
Ques:- A, B and C enter into a partnership. A invests some some at the beginning, B invests double the amount after 6 months and C invests thrice the amount after 8 months. If the annual profit be Rs.27,000, C’s share is
A. Rs. 11,250
B. Rs. 10,800
C. Rs. 9000
D. Rs. 8625
Ques:- A prime number N, in the range 10 to 50 remains unchanged when its digits are reversed. The square of such a number is
A. 1936
B. 1089
C. 484
D. 121