Quantitative Aptitude - Arithmetic Ability Questions

The number of pupils of a class is 55. The ratio of the number of male pupils to the number of female pupils is 5: 6. The number of female pupils is

A wholesaler sells a watch to a retailer at a gain of 20% and the retailer sells it to a customer at a loss of 10%. If the customer pays Rs 874.8, what had it cost the wholesaler?

If Gangadhar's salary is 3/11 times of Hari's and Shambhu's is 3/4 times of Hari's, what is the ratio of Gangadhar's salary to Shambhu's?

If (5/9 of x) ­- (2/5 of 9/4) equals ­ -4/5 then find x.

At 13% discount the selling price of a oven is Rs 18000, what is the selling price if the discount is 27.5%?

A bank offers 10% compound interest per half year. A customer deposits Rs. 3600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is.

What is the angle between the two hands of a clock when the time shown by the clock is 8 p.m.?(in degrees)

Coefficient of x2 in (x + 9)(6 -­ 4x) is