Question

Sum of a number and its half is 30 then the number is
(A) 15
(B) 20
(C) 25
(D) 40
Send me with explanation​

Answer 1

Answer:

B) 20

Step-by-step explanation:

Let the number be x.

x + x/2 = 30

(2x+x)/2 = 30

3x/2 = 30

3x = 60

x = 20

Answer 2

B) 20.

As,
20 + 10 = 30.

20 is the number.
10 is half of twenty.