Question

On adding 5 to thrice of number gives 50. the number is

Answer 1

Answer:

$let \: the \: no. \: be \: x \\ add \: 5 \: to \: it \: after \: \: multiplying \: it \: to \: 3 \\ = 3x + 5 \\ according \: to \: the \: question \\ 3x + 5 = 50 \\ 3x = 50 - 5 \\ 3x = 45 \\ x = \frac{45}{3} \\ x = 15$

Answer 2

Answer:

15 is the correct answer