How many prime numbers are less than 50 ?
Prime numbers less than 50 are:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47
Their number is 15
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$\left(800 ÷ 64\right)$ x $\left(1296 ÷36\right)$ = ? |
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Which natural number is nearest to 8485, which is completely divisible by 75 ? |
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Which of the following numbers is divisible by each one of 3, 7, 9 and 11 ? |
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Which natural number is nearest to 9217, which is completely divisible by 88 ? |
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4300731 - ? = 2535618 |
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$\dfrac{\left(489 + 375\right)^2-\left(489 - 375\right)^2}{\left(489 \times 375\right)}$=? |
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397 x 397 + 104 x 104 + 2 x 397 x 104 = ? |
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$\left(35423 + 7164 + 41720\right)$ - $\left(317 \times 89\right)$ = ? |
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(xn - an) is completely divisible by (x - a), when |
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A number when divide by 6 leaves a remainder 3. When the square of the number is divided by 6, the remainder is: |
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