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IBPS Clerk Prelims Model Paper 12
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© examsnet.com
Question : 57
Total: 100
(
?
)
2
+
(
65
)
2
=
(
160
)
2
–
(
90
)
2
– 7191
75
77
49
81
78
Validate
Solution:
?
2
+
65
2
=
(
160
)
2
–
(
90
)
2
– 7191
⇒
?
2
+
65
2
= (160 + 90) (160 – 90) 7191
⇒
?
2
+ 4225 = 250 × 70 – 7191
⇒
?
2
+ 4225 = (17500 – 7191) = 10309
⇒
?
2
= (10309 – 4225) = 6084
⇒ ? =
√
6084
= 78
© examsnet.com
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