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If 324+289 = 35 441+484 = 43 625+400...

If 324+289 = 35
441+484 = 43
625+400 = 45
then , 256+729 = ?

A

42

B

43

C

44

D

45

Text Solution

Verified by Experts

The correct Answer is:
D
`324 + 289 = 35 " " 441 + 484 = 43`
`(18)^2 + (17)^2 = 35 " " (21)^2 + (22)^2 = 43`
`18 + 17 = 35 ," " 21 + 22 =43`
`625 + 400 = ?`
`(25)^2 + (20)^2 = ?`
`25 + 20 = 45`
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