Total cost of 8 TV set and 7 refrigerator is 1 lac rupee, whereas total cost of 10 TV set and 6 refr

M4maths Previous Puzzles

21 Jan 2012 cost

Total cost of 8 TV set and 7 refrigerator is 1 lac rupee, whereas total cost of 10 TV set and 6 refrigerator is 1.1 lac rupee. Cost of 3 TV set and 2 refrigerator will be approximately

OPtion

1) 28000
2) 30000
3) 31000
4) 32000
5) 34000
6) 39000
7) 45000
8) 48000
9) 50000
10) none of these

Solution

according to the given conditions
8x + 7y = 100000
10x + 6y = 110000
on solving x = 85000/11, y = 60000/11
so 3x + 2y = 375000/11 = 34090.90

Correct Option: 5 Best Solution (0)