In a class of 81 students, if the number of boys is increased by 20% and the number of girls is reduced by 25%, the total strength remain same, what was the previous number of girls.
Soud uses 30% of his monthly earnings for rent and 50 % of the remaining amount for food and transportation, If he spends Rs. 525 for food and transportation, how much does he pay for rent?
The area of the base of a rectanglar tank is 6500 sq. cm and the volume of water contained in it is 2.6 cubic meters. The depth of the water is:
A man has some hens and cows. If the number of heads be 48 and numbers of feet equals 140, the number of hens will be:
The population of a town increases by $5\%$ annually. If it is 15435 now, its population 2 years ago was:
6 % more is gained by selling a radio for Rs. 1425 then by selling it for Rs. 1353. The cost price of the radio is ?
A student bought 7 books for Rs. 87 from one book shop and 8 books for Rs. 93 another book shop. The average price (in Rs.) he paid book was:
Salman Borrowed some money from a bank. He paid it back in two equal installments annually each being Rs. 2420. Find the total money he borrowed
Two condidate fought an election. One got 65 % of the votes and won by 300 votes. The total number of votes polled is:
Excluding stoppages, the speed of a bus is 54 km /hr and including stoppages, it is 45 km/hr. For how many minutes does the bus stop, per hour?
One acute angle of a hexagon is $100^o$ and all the other 5 angles are equal. What is the measure of each one of the equal angles?
A firm pays compound interest at a rate of $2\frac{1}{2}\%$, If Zain has amount worth Rs. 5385 at present. What was his amount when he deposited 3 years back?
The volume of a wall is $128 m^3$. Wall is 5 times as high as It broad and 10 times as long as it is high. The breadth of the walls is:
A bus covers a distance in 50 minutes if it runs at 48 Km/hr on an average. The speed at which the bus must run to reduce the time journey to 40 minutes will be:
If the angles of the triangle are in the ratio 2:3:4, then the greatest angle of the triangle is: