Delhi Police Constable 24th May 2014

(4444 + 40) + (645 + 25) + (3991 + 26) = ?

Find out the wrong number in the below mentioned number-series
1 3 10 36 152 760 4632

Find a single discount equivalent to a discount series of 30%, 20% and 10%.

A train 120 m long, travelling at 90km/h overtakes another train travelling in the same direction at 72km/h and passes it completely in 50 s. Find the length, in meters of the second train

A two digit number becomes 5/6 of itself when its digits are reversed. The difference of the digits is one. Find the number.

In an election between two candidates, a candidate who gets 40% of the total votes polled is defeated by 15000 votes. The number of votes polled by the winning candidate is

A can do a piece of work in 20 days and B can do the same work in 30 days. They work together for 4 days and then, A leaves. How long will B take to complete the remaining work?

The average age of the boys in the class is twice the number of girls in the class. If the ratio of the boys and the girls in the class of 36 is 5:1, what is the total of the ages of the boys in the class?

$$\frac{7}{8} - \frac{7}{?} + \frac{9}{16} = 1$$

A sum was divided among A, Band C. C got double than A, who got double than B. If the difference between the shares of Band C was Rs. 3675, what was the sum?