A ladder 25 m long reaches a window of building 20 m above the ground. Then the distance of the foot of the ladder from the building is
35m
45 m
30 m
15 m
Additional Questions
|
$(64)^{x} = 2\sqrt{2}$, then the value of x is |
Answer |
|
A hollow sphere in which a circus motorcyclist performs his stunts, has an inner diameter of 7 metres. The area available to the motorcyclist for riding is (in Sqm) |
Answer |
|
1 sq decimetre is equal to |
Answer |
|
$\triangle$ ABC ~ $\triangle$ PQR; AB =3.6, PQ = 2.4 and PR = 5.4, then AC = |
Answer |
|
The arithmetic mean of 10 numbers is -7. If 5 is added to every |
Answer |
|
a = 3, b = 7, then the value of $a^{b}$ - $b^{a}$ is |
Answer |
|
The median of the following data |
Answer |
|
The present value of a television is Rs. 14,580. If the value of the television depreciates at the rate of 10% every year, then the value of the television 3 years ago was |
Answer |
|
The sides of two similar triangles are in the ratio of $\sqrt{3}$: 2. Then their areas are in the ratio of |
Answer |
|
If $\alpha$, $\beta$ are the roots of $x^{2}$ -px + q = 0, then the value of $\dfrac{\alpha^{2}}{\beta}$ + $\dfrac{\beta^{2}}{\alpha}$ |
Answer |