The following line graph gives the percentage of the number of candidates who qualified an examination out of the total number of candidates who appeared for the examination over a period of seven years from 1994 to 2000.

If the total number of candidates appeared in 1996 and 1997 together was 47400, then the total number of candidates qualified in these two years together was?

In an alloy, there is 12 % of copper, to get 69 kg of copper, how much alloy will be required? 

If $${17}^{200}$$ is divided by 18, the remainder is:

Marked price of an item is Rs 200. On purchase of 1 item discount is 22 % on purchase of 4 items discount is 33 % Rabia buys 5 items, what is the effective discount? 

What should come in place of the question mark (?) in the following question?
19.5% of 524 = 50% of ?

If 2sin²θ–5sinθcosθ+7cos²θ=1then possible values of tan θ are

A train passes two bridges of length 400 m and 200 m. in 50 seconds and 30 seconds respectively. The length of the train is-

16 men can complete a piece of work in 7 days. In how many days will 28 men complete the same work?