1.

If (26)2 is subtracted from square of a number, the answer so obtained is 549. What is the number? (a) 35 (b) 33 (c) 29 (d) 41 (e) None of these

Answer»

(a) Let the the number be = x
According o the question,
x2 – 262 = 549
or, x2 – 676 = 549
or, x2 = 549 + 676 = 1225
or, x = 1225 =35



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