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ARITHMETIC SECTION-1
1. If the total distance of a journey is 120 km .If one goes by 60 kmph and
comes back at 40kmph what is the average speed during the journey?
Ans: 48kmph
2. A school has 30% students from Maharashtra .Out of these 20% are Bombey
students. Find the total percentage of Bombay?
Ans: 6%
3. An equilateral triangle of sides 3 inch each is given. How many equilateral
triangles of side 1 inch can be formed from it?
Ans: 9
4. If A/B = 3/5,then 15A = ?
Ans : 9B
5. Each side of a rectangle is increased by 100% .By what percentage does the
area increase?
Ans : 300%
6. Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain
distance, the front wheel gets 10 revolutions more than the back wheel .What is
the distance?
Ans : 315 feet.
7. Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240
times. How many revolutions will the back wheel take?
Ans: 360 times
8. 20% of a 6 litre solution and 60% of 4 litre solution are mixed. What
percentage of the mixture of solution
Ans: 36%
9. City A's population is 68000, decreasing at a rate of 80 people per year.
City B having population 42000 is increasing at a rate of 120 people per year.
In how many years both the cities will have same population?
Ans: 130 years
10. Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other
at 40kmph . How much time will it take for the two cars to meet?
Ans: 3/2 hours
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