In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?
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A missile travels at 1422 km/h. How many metres does it travel in one second?
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Coefficient of x2 in (x + 9)(6 - 4x)(4x - 7) is
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Value of (4a2+ 12ab + 9b2)/(2a + 3b) is
What is the HCF (highest common factor) of 133 and 112?
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