Question

Three-sevenths of a number is 21. Find the number.

the number is 9
the number is 27
the number is 49

Answer 1

Let the number be x.

According to question:-

$\frac{3}{7} x = 21 \\ 3x = 21 \times 7 \\ 3x = 147 \\ x = \frac{147}{3 } \\ x = 49$
So the number is 49.

Hope it helps.

Answer 2

Hey friend here is your answer !!
the number is 49.

Let the number be x.
According to the question.....
3/7 x = 21
x = 21×7/3
x = 7×7
x = 49

so the number is 49.
☺️Hope it helps☺️