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Quantitative Aptitude (SBI-CL)

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15*18 + ? – 9 * 11 = 12*13

-16

-17

-15

-18

Explanation:

15*18 + ? – 9 * 11 = 12*13
=> 270 + ? – 99 = 156
=> ? + 171 = 156
=> ? = -15

Hence, option 3 is the correct answer.

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