Quantitative Aptitude - Arithmetic Ability Questions

What is the value of 5.6x0.36+0.42x3.20.8 x 2.1 ?

10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in

A batsman has a certain average of runs for 12 innings. In the 13th inning he scores 96 runs thereby increasing his average by 5 runs. What will be his average after 13th inning?

If the sum of ten different positive integers is 100, then what is the greatest possible number among these 10 numbers?

The length of diagonal of a square is 9√2 cm. The square is reshaped to form a triangle. What is the area (in sq.cm) of largest in circle that can be formed in that triangle?

In each of these questions, a question is given followed by information in three statements. You have to find out the data in which statement(s) is sufficient to answer the question and mark your answer accordingly. What are the marks scored by Abhijit in English?

I. Marks scored by Abhijit in Maths are more than his marks in Science by 20.

II. Total marks scored by Abhijit in Maths, Science and English are 198.

III. Marks scored by Abhijit in Science are more than his marks in English by 12.

If a person bought an item for Rs. 60 and sold it at a profit of 25%, the selling price of the item would be

PAB and PCD are two secants to a circle. If PA = 10 cm, AB = 12 cm and PC = 11 cm, then what is the value (in cm) of PD?