Quantitative Aptitude - Arithmetic Ability Questions

When 0.363636.....is converted into a fraction, then the result is _____.

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?

Six years ago, the ratio of the two persons P and Q was 3 : 2. Four years hence the ratio of their ages will be 8 : 7. What is P's age?

The mean score in a test of the 12 boys in a class was 16 while the overall mean of the 30 students in the class was 18.1. What was the mean score of the girls?

If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?

The line passing through the point (5,a) and point (4,3) is perpendicular to the line x - 6y = 8. What is the value of 'a'?