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What is the process used to make ammonia? ...
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If the work done by (x-2)men in (x+2)days to the work done by (x+3)men in (x-2)days is 15:16 then x is.... ...
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The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m, 85 cm, 12 m 95 cm is??? ...
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Two cogged wheels of which one has 32 cogs and other has 54 cogs , work into each other. If the latter turns 80 times in three quarters of a minute , how much the latter turns??? ...
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If image distance is 20 cm and object distance is 40 cm ,then how much is the radius of the curvature? ...
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A light wave was sent and it returned after 0.00001 secs .Then how much was the distance? ...
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In a class of 70 students, the ratio to boys and girls is 4:3. Among girls the no of rich to poor girls is 1:4. If the ratio of rich and poor students is 8:27.Find the ratio of rich and poor boys in the class. ...
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Two different no.s when divided by the same the remainders are 4 and 3.When their sum is divided by the same divisor the remainder is 1. What is the divisor? ...
