1 . The population of the lost continent Atlantis is 18,000. Atlantis has three cities A, B and C. Every
year the entire population of each city moves to the other two cities, half going to one of them and
the remaining half going to the other. The current population of A, B and C is 2000, 6000 and 10000
respectively. Then the population of A four years from now will be
2 . The average of 6 numbers is 8. What is the 7th number, so that the average
3 . 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.
4 . Four litres of phenol is drawn from a can. It is then filled water. Four litres of
mixture is drawn again and the bottle is again filled with water. The quantity of
phenol now left in the bottle is to that of water is in the ratio 36:13. How much
does the bottle hold?
5 . In 8*8 chess board what is the total number of squares
6 . A salesperson by mistake multiplied a number and got the answer as 3, instead of dividing the number by 3.What is the answer he should have actually got?
7 . The ratio of length of breadth of a room is 3:2 and its area is 216m2.
Find its length.
8 . A contractor undertook to do a piece of work in 125 days and employs 175
men to carry out the job, but after 40 days, he finds that one a quarter of the
work had been carried out. How many more men should be employed to
finish the work in time?
9 . If a number when divided by 296 gives a remainder 75, find the remainder when
37 divides the same number.
10 . what is a percent of b divided by b percent of a?
11 . In a race A has a start of 100mtrs and sets off 6 min before B, at the rate of 10
km/hr. How soon will B overtake A, if his speed of running is 12 km/hr.
12 . Out of three numbers, the first is twice the second and thrice the third. If their
average is 88, find the smallest number.
13 . Mr. A buys an article for Rs.350 and sells to Rs.420, find his percentage profit.
14 . In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?
15 . If x/y=4 and y is not '0' what % of x is 2x-y
16 . A can copy 50 papers in 10 hours while both A & B can copy 70 papers in 10 hours. Then for how many hours required for B to copy 26 papers?
17 . What percent of 60 is 12?
18 . A dishonest shopkeeper professes to sell pulses at the cost price, but he uses a false weight of 950gm. for a kg. His gain is ?%.
19 . 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?
20 . The cost of one pencil, two pens and four erasers is Rs.22 while the cost of five pencils, four pens and two erasers is Rs.32.How much will three pencils, three pens and three erasers cost?