Correct Answer  Option 4 : 22
Given:
LAMP → 21
Letter

A

B

C

D

E

F

G

H

I

J

K

L

M

Position

1

2

3

4

5

6

7

8

9

10

11

12

13

Letter

Z

Y

X

W

V

U

T

S

R

Q

P

O

N

Position

26

25

24

23

22

21

20

19

18

17

16

15

14

Logic: Sum of all the letters then divided by 2.
L → 12, A → 1, M → 13, P → 16
Sum of all the letters → 12 + 1 + 13 + 16 → 42
42 ÷ 2 → 21
Similarly,
C → 3, L → 12, M → 13, P → 16
Sum of all the letters → 3 + 12 + 13 + 16 → 44
44 ÷ 2 → 22
Hence, the answer is 22.