Two numbers are less than the third number by 50% and 54% respectively. By how much per cent is the second number less than the first number? 

The minimum value of 16 tan² θ + 25cot² θ is

A sample of 50 litres of glycerine is found to be adulterated to the extent of 20 % . How much pure glycerine should be added to it so as to bring down the percentage of impurity to 5 %? 

95 percent of 4598 will be___

A, B and C enter into a partnership. A invests Rs. 8000 for the whole year, B puts in Rs. 12000 at the first and increasing to Rs. 16000 at the end of 4 months, whilst C puts in at first Rs. 16000 but withdraw Rs. 4000 at the end of 9 months. Find the profit of A at the end of year, if the total profit is Rs. 22600.

The ratio 5 : 4 expressed as a percent equals :

In what time will the simple interest be 2/5 of the principal at 8 percent per annum?