Question

5. 7
_ +_
10. 15
what is the answer​

Answer 1

Answer:

4.45 is ur ans .........

Answer 2

Answer:

10 (composite number) + 5 (prime number)  15 (composite number). 22 (composite number) + 11 (next prime after 7)  33 (composite number). So the next number as per this rule is 33.