A rectangular carpet 2.5m long and 2.4m wide covers 5% of...
A rectangular carpet 2.5m long and 2.4m wide covers 5% of a rectangular floor. Calculate the area of the floor
30m2
57m2
120m2
225m2
Correct answer is C
Area of carpet = 2.5 x 2.4 = 6
Let F represent the floor
6 = 5% of F
6 = \(\frac{5}{100}\) x F
5F = 6 x 100
F = 6 x \(\frac{100}{5}\)
= 120m2
If X \(\ast\) Y = X + Y - XY, find x when (x \(\ast\) 2) + (x \(\ast\) 3) = 68...
The area of a circle is 38.5cm2. Find its diameter [take \(\pi = \frac{22}{7}\)]...
Find the median of 4, 1, 4, 1, 0, 4, 4, 2 and 0 ...
In the diagram |PS| is a diameter of circle PQRS. |PQ| = |QR| and ∠RSP = 74o. Find ∠QPS...
Make y the subject of the formula Z = x\(^2\) + \(\frac{1}{y^3}\)...
In the figure, find angle x ...
Factorize 4a\(^2\) - 9b\(^2\)...
If y = x\(^2\) - x - 12, find the range of values of x for which y \( \geq \) 0 ...