A basketball team won 4 more matches than it lost. If it won 3/4of its matches how many matches did it play?
1) 10
2) 15
3) 8
4) 25
The system of equations: x+4y-2z=3, 3x+y+5z=7, 2x+3y+z=5 has:
1. a unique solution 2. no solution 3. an infinite number of solution 4. None of these
Deven borrowed a certain amount at 6% p.a. simple interest for 9 years. After 9 years, he returned Rs. 8,470 (including principal and interest). What amount did he borrow? .
(1) Rs. 7,707.70
(2) Rs. 8,416 .
(3) Rs. 5,500
(4) Rs. 3,896
A man borrowed Rs. 500 at simple interest at 3% per annum and Rs. 600 .at '4Y2% per annum on a condition that the total sum will be paid back when total interest amounts to Rs. 126. Find the number of years after which the sum has to be paid back?
1) 2
2) 3
3) 4
4) 5
