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arush 99

· started a discussion

· 1 Months ago

nicl ao mock 01 (Question: 105784.0 )

the correct answer is 25 which is not given in the options.

Question:
What should come in place of the question mark (?) in the following questions?


(44)2 - (50)2 + (26)2 = ?

Options:
A) 40
B) 75 
C) 150 
D) 112
E) None of these
Solution:

Ans: (d)

? = 442 - 502 + 262 

= 4(484 - 625 + 169) = 4(28) = 112

Talented Boy

· commented

· 1 Months ago

Simplify it properly, you will get 112...

44^2 - 50^2 + 26^2

= 4(484 - 625 + 169)

= 4(28)

= 112
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