A hollow cylindrical iron pipe is of length 35 cm. Its outer and inner diameters are 10 cm and 8 cm respectively. Find the weight of the pipe (if 1 cu.cm of iron weighs 7 gm.)
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Find out the missing term in the given alphabet series. |
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7 men can complete a work in 52 days. In how many days will 13 men finish the same work? |
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If $\dfrac{a}{b}=\dfrac{9}{5}$,then $ \dfrac{a+b}{a-b}=?$ |
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Find the LCM of 45,4-81,412 and 47 |
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Find the missing number in the following: |
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The average of 4 values is 20 and when a quantity is added to each value the average is 22. Find the quantity. |
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Which of the following are correct? |
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Why the wings of an aeroplane are shaped with lower surface being flat and the upper surface being curved? |
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Match the folloing:
(a) (b) (c) (d) |
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Which one of the following is not an allotrope of carbon? |
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