1 . ?x? decides to deposit Rs.500 at the end of every year in a bank which gives 8%
p.a. C.I. If the installments are allowed to accumulate, what amount he will
receive at the end of 7 years?
2 . A horse is placed for grazing inside a square field 12m long and is tethered
to one corner by a rope 8m long. Find the grazing area of the horse.
3 . A contractor agreeing to finish a work in 150 days, employed 75 men each working 8 hours daily. After 90 days, only 2/7 of the work was completed. Increasing the number of men by ________ each working now for 10 hours daily, the work can be completed in time.
4 . what is a percent of b divided by b percent of a?
5 . A mixture of 40 litres of milk contains 20% of water. How much water must be
added to make the water 25% in the new mixture?
6 . Anand gets 15% more marks than Arun. What % of marks does Arun get less than
7 . In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team raised its average to 50% .How many games must the team have won in a row to attain this average?
8 . A cistern is normally filled in 6 hours, but takes 2 hours more to fill it
because of a leak at its bottom. If the cistern is full, how long will it take for
the leak to empty the cistern?
9 . If m and n are two whole numbers and if m^n = 25. Find n^m, given that n ? 1
10 . A car travels 12 kms with a 4/5th filled tank.How far will the car travel with 1/3 filled tank?
11 . Find the number whose square is equal to the difference between the squares of
75.12 and 60.12
12 . A, B and C earn Rs.120 per day while A and C earn Rs.80 per day and B and
C earn Rs.66 per day. Find C?s earning only.
13 . 4 men or 8 women can do a piece of work in 24 days. In how many days, will
12 men and 8 women do the same work?
14 . A man bought a horse and a cart. If he sold the horse at 10 % loss and the cart at 20 % gain, he would not lose anything; but if he sold the horse at 5% loss and the cart at 5% gain, he would lose Rs. 10 in the bargain. The
amount paid by him was Rs._______ for the horse and Rs.________ for the cart.
100 , 200
15 . If a pipe A fills a tank in 10 hrs and pipe B empties it in 15 15 hrs, then in how much time will the tank be filled up if A & B are both opened?
16 . The average of 6 numbers is 8. What is the 7th number, so that the average
17 . If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3
18 . 2 litres of water evaporated from 6 litres of sugar solution containing 5% sugar,
what will be the percentage of sugar in the remaining solution.
19 . How many seconds will it take for a train 120 metres long moving at the rate
of 15 m/sec to overtake another train 150 m long running from the opposite
side at the rate of 90 km/hr?
20 . Two pipes A and B are attached to a cistern. Pipe A can fill the cistern in 6
hours while pipe B can empty it in 8 hours. When both the pipes are opened
together, find the time for filling the cistern.