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Questions(204)
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What is the smallest number that must be subtracted from $1024$ to get a perfect cube.
Sum of two numbers is $18$. Sum of their reciprocals is $\dfrac{1}{4}$. Find the numbers.
if $x=a+\dfrac{1}{a}$ and $y=a-\dfrac{1}{a}$, find $x^4+y^4-2x^2y^2$
Which of the following is the factor of $11×2^3×3^5×7^8$ ?
a) $6^5$
b) $121$
c) $6^2$
More than one of the above
If '$A$' is the smallest positive integer that is a multiple of $147$ and has exactly $147$ positive integral divisors,including $1$ and itself,the value of $\dfrac{A}{147}$ is ?
Find the value of $mn$ if $m+n=8$ and $m-n=2$
How many numbers less than $100$ have the sum of factors as odd?
$\dfrac{2}{7}$ of a number is two less than $\dfrac{1}{2}$ of another number. If the sum of the two numbers is 15, what is their product?
$64\%$ of $275$ $-14\%$ of $?=113$