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Mary and John can do a piece of work in 24 day; John and Vino in 30 days;Vino and Mary in 40 days. If Mary, John and Vino work together they will complete work in ?
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My friend collects antique stamps. She purchased two, but
found that she needed to raise money urgently. So she sold
them for Rs. 8000 each. On one she made 20% and on the other
she lost 20%.
How much did she gain or lose in the entire transaction?
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If the sum of n terms of two series in A.P. are in the ratio (5n + 4) : (9n + 6) then find the ratio of their 13th terms.
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A team P of 20 engineers can complete work or task in 32 days. Another team Q of 16 engineers can complete same task in 30 days.Then the ratio of working capacity of 1 member of P to the 1 member of Q is
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Ravi`s salary was reduced by 25%. Percentage increase to be effected to bring salary to original level =
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An ore contains 25% of an alloy that has 90% iron. Other than this, in remaining 75% of the ore ,there is no iron. How many kgs of the ore are needed to obtain 60 kg. of pure iron.?
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Find the day of the week on 16th july, 1776.
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The radius of a sphere is increased by 50%. The increase in surface area of the sphere is :
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On 8th Dec, 2007 Saturday falls. What day of the week was it on 8th Dec, 2006?
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Which one of the following option is the closest in the meaning to the word given below..MITIGATE
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