Quantitative Aptitude - Arithmetic Ability Questions

In 250 litres mixture of soda and water the ratio of amount of soda to that of water is 7 : 18. In order to make this ratio 2 : 3, how many more litres of soda should be added?

A  field  can  be  reaped  by  12  men  or  18  women  in  14  days.  In  how  many  days  can  8  men  and  16 women reap it?

The compound interest earned in two years at 8% per annum is Rs 4160. What is the sum (in Rs) invested?

If the perimeter of a semi-circle is 108 cm, then find its radius (in cm).

A wholesaler sells a watch to a retailer at a gain of 35% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2379.375, what had it cost the wholesaler?

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder?

What is the smplified value of Sin2A/1+Cos2A ?

Find the odd one out among the following.