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# 3i-Infotech Placement Papers

If the value of x lies between 0 & 1 which of the following is the largest?

a) x
b) x2
c) –x
d) 1/x

Ans : (d)

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

A school has 30% students from Maharashtra .Out of these 20% are Bombay students. Find the total percentage of Bombay?

Ans: 6%

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

If A/B = 3/5,then 15A = ?

Ans : 9B

Each side of a rectangle is increased by 100% .By what percentage does the area increase?

Ans : 300%

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

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

20% of a 6 liter solution and 60% of 4 liter solution are mixed. What percentage of the mixture of solution

Ans: 36%

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

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

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 he won't able to buy 3 paise stamps.

Ans: 9

There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls.

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