average of 10 matches is 32 , how many runs one should should score to increase his average by 5 runs .
"explanation : average after 11 innings should be 37 so , required score = ( 11 * 37 ) - ( 10 * 32 ) = 407 - 320 = 87 answer : option e"
subtract(multiply(add(32, 5), add(10, const_1)), multiply(10, 32))