If 5x = 30, what is x?
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Divide both sides by 5: x = 30/5 = 6.
Practice Quantitative Ability questions with answers and explanations.
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Divide both sides by 5: x = 30/5 = 6.
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Divide both sides by 4: x = 68/4 = 17.
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25% of 170 = 25/100 × 170 = 42.
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The sum is 100 and there are 4 values, so the average is 25.
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84 + 8 = 92.
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Divide both sides by 4: x = 36/4 = 9.
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20% of 110 = 20/100 × 110 = 22.
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Simple interest = P×R×T/100 = 7600×8×3/100 = 1824.
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10% of 140 = 10/100 × 140 = 14.
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21 + 8 = 29.
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The sum is 76 and there are 4 values, so the average is 19.
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The sum is 102 and there are 6 values, so the average is 17.