65% of 480 + 75% of 280 = ?2 + √1444

Q. 65% of 480 + 75% of 280 = ?² + √1444

a) 26

b) 28

c) 25

d) 22

e) 27

Sol:

65% of 480 + 75% of 280 = ?² + √1444

312 + 210 = ?² + 38

?2 = 484

? = 22