Question

Susmita thought of a number tripled it and add 5 to it on dividing the resulting number by 4 , she gets 5 .what is the number?

Answer 1

$x + x + x + 5 \div 4 = 5 \\ \\ 3x + 5 = 5 \times4 \\ \\ 3x + 5 = 20 \\ \\ 3x = 20 \div 5 \\ \\ 3x = 15 \\ \\ x = 15 \div 3 \\ \\ x = 5$