| Question | If 15 toys cost Rs. 545, what do 37 toys cost ? | |
| Type | multiple_choice | |
| Option | Rs. 1344 | correct |
| Option | Rs. 1200 | incorrect |
| Option | Rs. 1668 | incorrect |
| Option | Rs. 1542 | incorrect |
| Solution | Let the required cost be Rs. x. More toys, More cost (Direct proportion) Therefore 15 : 37 :: 545 : x (15 * x) = (37 * 545) x = (37*545)/15 = 1344.33 Hence, the cost of 37 toys is Rs. 1344.33 | |
