A solid metal cube of side 3 cm is placed in a rectangular tank of dimension 3, 4 and 5 cm. What volume of water can the tank now hold
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2011
A chord of circle of radius 7cm is 5cm from the centre of the maximum possible area of the square?
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2011
A circle of perimeter 28cm is opened to form a square. What is the maximum possible area of the square?
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2011
What is the size of each interior angle of a 12-sided regular polygon?
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2011
The inverse of matrix N = \(\begin{vmatrix} 2 & 3 \\ 1 & 4\end{vmatrix}\) is
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2011
Evaluate \(\begin{vmatrix} 4 & 2 & -1 \\ 2 & 3 & -1 \\ -1 & 1 & 3 \end{vmatrix}\)
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2011
If | 2 3 | = | 4 1 |. find the value of y. 7
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2011
A binary operation \(\oplus\) om real numbers is defined by x \(\oplus\) y = xy + x + y for two real numbers x and y. Find the value of 3 \(\oplus\) - \(\frac{2}{3}\).
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2011
The seconds term of a geometric series is 4 while the fourth term is 16. Find the sum of the first five terms
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2011
Find the sum of the first 18 terms of the series 3, 6, 9,..., 36.
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2011
Solve the inequality x2 + 2x > 15.
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2011
T varies inversely as the cube of R. When R = 3, T = \(\frac{2}{81}\), find T when R = 2
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2011
If x varies directly as square root of y and x = 81 when y = 9, Find x when y = 1\(\frac{7}{9}\)
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2011
Solve for x and y respectively in the simultaneous equations -2x - 5y = 3, x + 3y = 0
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2011
Factorize completely 9y2 - 16X2
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2011
Find the remainder when X3 - 2X2 + 3X - 3 is divided by X2 + 1
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2011
Make R the subject of the formula if T = \(\frac {KR^2 + M}{3}\)
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2011
Raial has 7 different posters to be hanged in her bedroom, living room and kitchen. Assuming she has plans to place at least a poster in each of the 3 rooms, how many choices does she have?