Quantitative Aptitude - Arithmetic Ability Questions

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

The average marks in science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively, then what would be the correct average?

In a class of 50 students there are 27 boys. The average weight of these boys is 72 Kg and average weight of the full class is 55.44 kgs. What is the average weight (in kgs) of the girls of the class?

The cube of 997 is

A Number is increased by 20%. To get back to the orignal number, the increased number is to be reduced by

A fan is sold at a discount of 37.5%. If the marked price of the fan is Rs 7200, then what is the selling price (in Rs) of the fan?

If sinA = x, then x is equal to

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?