1.A speaks truth in 75% cases and B in 80% cases, In what percentage of cases are the likely to contradict eact other, narrating same incident?
5%
15%
35%
35%
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2.If 80% of A = 20% of B and B = 5.1% of A. then the value of x is:
75
80
90
90
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3.A mixture of 40 L of alcohol and water contains 10% water. How much water should he added to this mixture so that the new mixture contains 20% water?
9L
5L
7L
7L
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4.A dealer marked his goods 20% above the cost price and allows a discount of l0%. Then the gain percent is:
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