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Using the clay, Malar makes a cone, a hemisphere and a cylinder have equal bases and the heights of the cone and a cylinder are equal. They same as the common radius then find the ratio of their respective volumes
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Spherical metal ball of radius 6 cm is melted and casted into small spherical balls having diameter 6 mm. How many small balls can be casted
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The radii of two circular ends of a frustum shaped bucket are 15 cm and 8 cm. If its depth is 63 cm, find the capacity of the bucket in litres (Take $\pi=\dfrac{22}{7}$)
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The present age of A and B are in the ratio 4: 5 and after five years they will be in the ratio 5:6 then their sum of present age is
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If A and B can do a work in 6 days. B and C can do it in 12 days, C and A can do it in 4 days how many days it would take to finish the same work by all the three together?
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A and B can complete a work individually in 12 days and 18 days. They started doing the work together but after 4 days. A had to leave and B alone completed the remaining work. The whole work was completed in
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A function f:(-7,6) $\Rightarrow$ R is defined as follows 
what is the value of $\dfrac{4f(-3)-2f(4)}{f(-6)-4f(1)}$ ?
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Mala and Latha each had a number of bangles. Mala said to Latha “If you give me 4 of your bangles, my number will be thrice yours". Latha replied "If you give me 36, my number will be thrice yours". What is the total bangles together with them?
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Match List I with List II and select the correct answer using the codes given below :
| List I-planets | List II - Revolution Periods |
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| (a) Mars | l. 88 days | | (b) Earth | 2. 225 days | | (c) Mercury | 3. 687 days | | (d) Venus | 4. 365 days |
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The term seismic gap refers to
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