What is 81 + 7?
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81 + 7 = 88.
Practice Quantitative Ability questions with answers and explanations.
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81 + 7 = 88.
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15 + 6 = 21.
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57 + 6 = 63.
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The sum is 168 and there are 8 values, so the average is 21.
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10% of 240 = 10/100 × 240 = 24.
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25% of 170 = 25/100 × 170 = 42.
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Divide both sides by 5: x = 90/5 = 18.
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30 + 11 = 41.
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Divide both sides by 3: x = 48/3 = 16.
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5% of 180 = 5/100 × 180 = 9.
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93 + 11 = 104.
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Divide both sides by 4: x = 52/4 = 13.