Question

112. af 63 – 30 = 30,72 – 10 = 40 TT, TT 81 – 60 = ?
(A) 50
(B) 35
(C)_15
(D) 20​

Answer 1

the answer of :

Q.

63-30=30

72-10=40

81-60=?

is

c.15

EXPLANATION :

6+3=9*10=90-30=60/2=30

7+2=9*10=90-10=80/2=40

8+1=9*10=90-60=30/2=15

Hope it helps