For the following questions answer them individually
Two numbers are in the ratio 3:4. Their L.C.M. is 84. The greater number is
A drum of kerosene is $$\frac{3}{4}$$ full. When 30 litres of kerosene is drawn from it, it remains $$\frac{1}{2}$$Â full. The capacity of the drum is
By what least number should 675 be multiplied so as to obtain a perfect cube number ?
$$1\frac{1}{2}+11\frac{1}{2}+111\frac{1}{2}+1111\frac{1}{2}$$ is equal to
$$\frac{4.41 \times 0.16}{2.1 \times 1.6 \times 0.21}$$ is equal to
If a and b are two odd positive integers, by which of the following integers is $$(a^4-b^4)$$ always divisible ?
If a = 11 and b = 9, then the value of $$\frac{a^2 + b^2 + ab}{a^3 - b^3}$$ is
$$\frac{256 \times 256 - 144 \times 144}{112}$$ is equal to
If a and b be positive integers such that $$a^2-b^2 = 19$$, then the value of a is
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