Mathematics MCQs
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7451.Two numbers are respectively 20% and 50% more than a third number. The ratio of two numbers is?
7452.A mixture contains 12% copper. How many kg of mixture is required to get 69 kg of copper?
7453.(225)^2.5 + (225)^? = 225
7454.The mean of five numbers is 18. If one number is excluded, then their mean is 16, the excluded number is _____?
7455.12.1/19.8 =?
7456.A man spends Rs. 3500 per month and save 12 ½% of his income. His monthly income is?
7457.If the given value is 16a + 16b = 48. What is the average of a and b?
7458.4+4.44+44.4+4.04+444 = ______?
7459.Ali is younger than Zia by 10 years. If 5 years back their ages were in the ratio 1:2, how old is Zia?
7460.If the average of m numbers is n2 and that of n numbers is m2 , then the average of (m + n) numbers is?