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1). Total distance is 120 km . Going by 60kmph and coming back by
40kmph what is the average speed? Ans: 48kmph
2). A school have 30% from MAHARASTRA .Out of this 20% from
BOMBAY students. Find the total percentage of BOMBAY
Ans: 6%
3). An equilateral triangle of side 3 inch is given. How many
equilateral triangles of side 1 inch can be formed from it
Ans : 9
4). A/B = 3/5 15A = ?
Ans : 9B
5). Each side of a rectangle is increased by 100% .
How much the percentage of area will be increased
Ans : 300%
6). Perimeter of the back whell = 9 feet, front wheel = 7 feet
on a certain distance the front wheel gets 10 revolutions
more than back wheel . what is the distance?
Ans : 315 feet.
7). Perimeter of front wheel =30, back wheel = 20. If front wheel
revolves 240 times. Howm many revolutions will the back wheel
take? Ans: 360 times
8). 205 of 6 liter solution and 60% of 4 liter solution is mixed
What percentage of the mixture of solution
Ans: 36%
9). City A population is 68000, decreasing at a rate of 80 per year
City B having population 42000 increasing at a rate of 120 per
year. In how many years both the cities will have same
population
Ans: 130 years
10). Two cars, 15 km apart one is turning at a speed of 50kmph
other at 40kmph . How will it take to two cars meet.
Ans 3/2 hours
11). A person wants to buy 3 paise and 5 paise stamps costing exactly
one rupee. If he buys which of the following number of stamps.
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