10 cm
14 cm
16 cm
20 cm
Correct answer is A
Volume of a cylinder = \(\pi r^2h\)
40\(\pi cm^3\) = \(\pi. 4^2h\)
40\(cm^3\) = 16h
h = 2.5cm/sec
In 4 seconds, 2.5cm x 4
= 10cm
The probabilities that John and James pass an examination are \(\frac {3}{4}\)and \(\frac {3}{5...
Find the 6th term of the sequence \(\frac{2}{3} \frac{7}{15} \frac{4}{15}\),......
If x + y = 2y - x + 1 = 5, find the value of x...
If p = {prime factors of 210} and Q = {prime less than 10}, find p \(\cap\) Q...
Which of the following numbers is perfect cube?...
If 2log3 y + log3 x2 = 4, then y is...
Evaluate without using tables (0.008) -\(\frac{1}{3}\) x (0.16) - \(\frac{3}{2}\)...
In the diagram above, QRS is a straight line, QP//RT, PRQ = 56°, ∠QPR =84° and ∠TRS = x°. Fin...
A die with faces numbered 1 to 6 is rolled once. What is the probability of obtaining 4?...