Exams › SSC CGL (Prelims) › General

Simplify the expression: (2.5 + 5/8)^2 - (7/4 x 2.4)

1. 5.5656
2. 6.2225
3. 7.0625
4. 8.0625

Correct answer: 5.5656

Solution

Inside the bracket, 2.5 + 5/8 = 3.125, and 3.125 squared is 9.765625. The second term 7/4 x 2.4 = 4.2. Subtracting gives 9.765625 - 4.2 = 5.565625, which rounds to 5.5656.

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