Quantitative Aptitude - Arithmetic Ability Questions

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:

Gautam travels 160 kms at 32 kmph and returns at 40 kmph. Then average speed is

The ratio of two numbers is 2 : 3. If the sum of both the numbers is 75, then what is the larger number among both the numbers?

Two numbers are in the ratio 3:5. If 6 is added to both of them, the ratio becomes 2:3. The numbers are

If sin (3x ­ 20°) = cos (3y + 20°), then find the value of (x + y).

Which of the following is correct?

The marked price of an article is Rs 2400. It is sold at two successive discounts of 10% and 15%. What is the selling price (in Rs) of the article?

If 11-13xx + 11-13yy + 11-13zz = 5 then what is the value of 1x + 1y + 1z = ?