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Choose the correct answer.
What is the value of $4^-2 $?
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Ques : Choose the correct answer.
What is the value of (0.081)1/4?
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A tyre has two punctures. The first puncture alone would have made the tyre flat in 9 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat ?
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A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work.
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To complete a work A and B takes 8 days, B and C takes 12 days, A,B and C takes 6 days. How much time A and C will take
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A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in
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Find the largest number which divides 62,132,237 to leave the same reminder
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Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:
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The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:
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Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:
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