Quantitative Aptitude - Arithmetic Ability Questions

After deducting 60% from a certain number and then deducting 15% from the remainder, 1428 is left. What was the initial number?

There are saplings of 361 mangoes tree and neem tree in a garden. The ratio of the number of mango tree to that of neem tree saplings are in the garden?

cos3A is equal to

In the following question, select the odd letters from the given alternatives.

In what ratio must a mixture of 20% milk strength be mixed with that of 60% milk strength so as to get a new mixture of 25% milk strength ?

What is the remainder when 6910 is divided by 81?

The average of three consecutive odd numbers is 52 more than 1/3rd of the largest of these numbers. What is the smallest of these numbers?

A trader sells two items at the rate of Rs 400 each. If he gains 15% on one and losses 15% on other, then what is the value (in Rs) of loss ?