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Equation

Maths & Stats

The sum of the digits of a two digit number is 10. If 18 be subtracted from it the digits in the resulting number will be equal. The number is a) 37 b) 73 c) 75 d) none of these numbers. How to do above sum without option verfication

Prasanth kumar Kamisetty

CA Inter

★ 12K+

02-Aug-20 09:23

385

Answers (1)

using options is simpler as it saves time and helps a student spend more time on some other questions. x + y = 10 x + 10y - 18=? In this there is no second equation so it cannot be solved using equations as x & y can have multiple answers