If 15 toys cost Rs. 545, what do 37 toys cost ?  Choose the correct choice from the following choices
A) Rs. 1344
B) Rs. 1349
C) Rs. 1346
D) Rs. 1341
E) Rs. 1343
Explanation:   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   Rs. 1344NSWER: Rs. 1344
<result>A</result>
If 15 toys cost Rs. 545, what do 37 toys cost ?