a number consists of 3 digit whose sum is 10 . the middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed . the number is :
explanation : let the middle digit be x . then , 2 x = 10 or x = 5 . so , the number is either 253 or 352 . since the number increases on reversing the digits , so the hundred ' s digit is smaller than the unit ' s digit . hence , required number = 253 . answer is b
add(add(multiply(subtract(divide(add(10, const_2), const_4), const_1), const_100), multiply(add(divide(add(10, const_2), const_4), subtract(divide(add(10, const_2), const_4), const_1)), const_10)), divide(add(10, const_2), const_4))