Question

please write down the correct answer. (1)1+2=21. (2)2+3=36. (3)3+4=43. (4)4+5=?​

Answer 1

Answer:

520 or 512 will be the answer

Answer 2

The value of missing number is 58.

Step-by-step explanation:

We have,

1) 1 + 2 = 21, 2) 2 + 3 = 36 and  3) 3 + 4 = 43

To find, the value of 4) 4 + 5 = ?​

The pattern follow:

Reverse digits, Reverse digits + 4, Reverse digits, Reverse digits + 4 ,

1) 1 + 2 = 1, 2 ⇒ Reverse digits = 21

2) 2 + 3 = 2,3  ⇒ Reverse digits + 4 = 32 + 4 = 36

3) 3 + 4 = 3, 4 ⇒ Reverse digits = 43

Similarly,

4) 4 + 5 = 4, 5  ⇒ Reverse digits + 4 = 54 + 4 = 58

Hence, the value of missing number is 58.