1.
How much pure alcohol be added to 400 ml of 15 % solution to make its strength 32% ?
2.
The degree of linear equation in one variable is
3.
The ratio of boys and girls in a college is 5 : 3. If 50 boys leave the college and 50 girls join the college, the ratio becomes 9 : 7. The number of boys in the college is
4.
If squares of two consecutive positive integers differ by 1987. Then sum of these integers is
5.
A bus is carrying 45 passengers, some with 50-paisa tickets and the remaining with 1- rupee tickets. If the total fare received from all these 45 passengers is Rs 32.50, find the number of passengers with 50-paisa tickets.
6.
If seven times a number is added to one-fifth of itself, then five-sixth of the sum is equal to 30. Find the number.
7.
A group of 1200 persons consisting of captains and soldiers are travelling in a train. For every 15 soldiers there is one captain. The number of captains in the group is
8.
Amit earns Rs. 16000 per month. He spend 1/4of his income on food; 3/10 of the remainder on house rent & 5/21 of the remainder on the education of the children. How much money is still left with him.
9.
Read the Question given below
10.
12 monkeys can eat 12 bananas in 12 minutes. In how many minutes can 4 monkeys eat 4 bananas ?
