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Ques:- 252 can be expressed as a product of primes as
A. 2 x 2 x 2 x 3 x 7
B. 2 x 2 x 3 x 3 x 7
C. 2 x 3 x 3 x 3 x 7
D. 3 x 3 x 3 x 3 x 7
Ques:- A, B, C hired a car for Rs.520 and used it for 7, 8 and 11 hours respectively. Hire charges paid by B were
A. Rs. 140
B. Rs. 150
C. Rs. 160
D. Rs. 180