ISRO Junior Personal Assistant 2006 Paper-II

Twopipescanfill a tank in two hours and three hours separately. If both the pipes are openedtogetherthen the time requiredto fill tank will be:

In a writing competition, the first place winner receives $$\frac{1}{2}$$ the prize money. The second place winner receives $$\frac{1}{2}$$ % of prize money of the winner and the third place winner receives $$\frac{1}{2}$$ the prize money second winnerreceives. If the third winner receives Rs.2,500, what is the total prize money?

HCF of two numbersis 4 and its LCM is 616 and one of the numberis 44, what is the other number?

A boy has 3 red marbles in his pocket, 4 blue marbles, and 4 green marbles. How many will he have to take out of his pocket to ensure that he has one of each colour ?

If $$3x + 5x = -8$$, then $$x + 1 = ?$$

Solve: $$\frac{0.853 \times 0.853-.147 \times .147}{0.853-.147}$$

A rectangle with length 12 and width 5 has an area that is four times the area of a triangle with base 3. What is the height of the triangle?

The arithmetic mean of four numbers is 120. While calculating the mean, one observation whosevalue is 33 was taken as 13. The correct mean is

A man spends 20% of his income on houserent, 25% of the remaining on milk products and rest on food and clothing. If he pays Rs.60 towards rent how muchhe spends on milk products?

One man and one womancan do a work in 10 days. In how many days one women alone can do the work?