Question (7/147)
The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs and 2 tables together is Rs. 4000. The total price of 12 chairs and 3 tables is ?(A)  3500
(B)  3700
(C)  3800
(D)  3900
Question (8/147)
A certain number of tennis balls were purchased for Rs. 450. Five more balls could have been purchased in the same amount if each ball was cheaper by Rs. 15. The number of balls purchased was ?(A)  10
(B)  15
(C)  20
(D)  25