Quantitative Aptitude - Arithmetic Ability Questions

Two pipes can fill a cistern in 28 and 21 hours respectively and an another pipe can empty 30 gallons of water per hour. All the three pipes working together can fill the empty cistern in 84 hours. What is the capacity (in gallons) of the cistern?

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:­

Which of the numbers given below is NOT rational?

If two complementary angles are in the ratio of 2:3, find the ratio of square of smaller angle to square of greater angle.

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

What is the simplified value of 0.042+0.212-0.00840.043+0.213

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.