ISRO Junior Personal Assistant 2010 Paper-II

The ratio of the prices of three different types of cars is 4 : 5 : 7. If the difference between the prices of costliest and the cheapest cars is Rs.60,000, what is the price of the car of moderate price?

The average weight of 29 students in a class is 48 kg. If the weight of the teacher is included, the average weight rises by 500 g. Find out the weight of the teacher.

A cricketer has a certain average of 9 innings. In the tenth innings, he scores 100 runs, thereby increasing his average by 8 runs. His new average is

There are two candidates Ramesh and Ramgopal for an election. Ramesh gets 65% of the total valid votes. If the total votes were 6000, whatis the valid votes that the other candidate Ramgopal gets if 25% of the total votes were declared invalid?

In a group of buffaloes and ducks, the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group?

The traffic light at three different roads change after every 48 sec., 72 sec. and 108 second respectively. If they all change simultaneously at 8:20:00 hours, when will they change again simultaneously?

How many $$\frac{1}{8}$$ are there in 37$$\frac{1}{2}$$ ?

A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning witha Sundayis .........

If $$\frac{a}{3} = \frac{b}{4} = \frac{c}{7},$$ then $$\frac{a + b + c}{2}$$ is equal to .....

Which of the following fractions are in descending order?