General Test - ...

A is twice as fast as B and B is thrice as fast as C. If some distance is covered by C in 54 minutes, then in how much time will B cover?

A train running at a speed of 72 km/hr takes 25 seconds to cross an electric pole. What is the length of the train?

Two trains of equal length are running on parallel lines in the same direction at the rate of \(46\) km/hr and \(36\) km/hr. The faster train passed the slower train in \(72\) sec. The length of each train is:

If \(\omega\) is a complex cube root of unit, then \(1+\omega+\omega^{2}+\ldots+\omega^{100}\) is equal to:

Which of the fractions given below, when added to $\frac{5}{7}$ give $1$?

The average salary of skilled employees in a firm is Rs. \(520\) and that of the unskilled employees is Rs. \(420\). If the average salary of both the groups of employees is Rs. \(500\), then the percentage of skilled employees in the firm is:

When the integers 10, 0, 5, -5, -7 are arranged in descending or ascending order, then find which of the following integer always remains in the middle of the arrangement?

The ratio, in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg so that the mixed tea when sold for Rs. 194.40 per kg, gives a profit of 20%.

Trimsy speaks the truth \(2\) out of \(9\) times. On selecting a card randomly from a pack of cards, she reports that it is either king or ace. Find the probability that it is actually king or ace:

What is the area of a right-angled triangle, if the radius of the circumcircle is \(5 \mathrm{~cm}\) and altitude drawn to the hypotenuse is \(4 \mathrm{~cm}\)?