The value of $\dfrac{x^{2}-2x}{x^{2}+2x}$ X $\dfrac{3x+6}{x-2} $
Take x as common ,$\dfrac{x(x-2)\times3(x+2)}{x(x+2)\times(x-2)}=3$
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A boy is now twice as old as his sister, four years ago, he was thrice as old as her what are their ages now? |
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x3/2 : 9 = 16: $\sqrt{x}$. What is the value of x ? |
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Total surface area of hollow hemisphere is equal to |
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The probability that a leap year will have 53 Fridays or 53 Saturdays is |
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Factorization of (x + y)2+9(x+y)+ 8 is |
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What is the difference between the sum of first n odd natural numbers and that of first n natural numbers? |
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Which of the following is arranged in correct ascending order? |
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Which of the following is larger in area? |
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The arithmetic mean of a group of 75 observations was calculated as 27. It was later found that one observation was wrongly read as 43 instead of the correct value 53. Obtain the correct arithmetic mean of the data. |
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A sum of money triples itself at 8% per annum over certain time. The number of years is equal to |
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