average of 10 matches is 32 , how many runs one should should score to increase his average by 6 runs .
"explanation : average after 11 innings should be 38 so , required score = ( 11 * 38 ) - ( 10 * 32 ) = 418 - 320 = 98 answer : option d"
subtract(multiply(add(32, 6), add(10, const_1)), multiply(10, 32))