Quiz Discussion

In a laboratory experiment, a sample of air which is a mixture of oxygen and water vapour is taken. Water vapour, contains hydrogen and oxygen gases. If air contains a total of 70% oxygen (including that contained in the water vapour) by weight while water vapour contains 16.66% of oxygen by weight, how many kilograms of water vapour is present in 1 kilogram of air?

Course Name: Quantitative Aptitude

  • 1]

    0.20

  • 2]

    0.36

  • 3]

    0.32

  • 4]

    0.25

Solution
No Solution Present Yet

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# Quiz
1
Discuss

In an election between two candidates, one got 55% of total valid votes. 20% of the total votes were invalid. The total number of votes were 7500. How many valid votes did the other person get?

  • 1]

    3276

  • 2]

    3196

  • 3]

    3024

  • 4]

    2700

Solution
2
Discuss

What percent is 3% of 5% ?

  • 1]

    60%

  • 2]

    15%

  • 3]

    50%

  • 4]

    30%

Solution
3
Discuss

Population of a town increase 2.5% annually but is decreased by 0.5% every year due to migration. What will be the percentage increase in 2 years?

  • 1] 5%
  • 2] 4.04%
  • 3] 4%
  • 4] 3.96%
Solution
4
Discuss

The ratio 5 : 4 expressed as a percent equals :

  • 1]

    12.5 %

  • 2]

    40 %

  • 3]

    80 %

  • 4]

    125 %

Solution

5 : 4 = 5/4 = ( (5/4) x 100 )% = 125%.

5
Discuss

(X% of Y) + (Y% of X) is equal to:

 

  • 1] X% of Y
  • 2] 20% of XY
  • 3] 2% of XY
  • 4] 2% of 100 XY
Solution
6
Discuss

The population of a city is 35000. On an increase of 6% in the number of men and an increase of 4% in the number of women, the population would become 36760. What was the number of women initially?

  • 1] 18000
  • 2] 19000
  • 3] 17000
  • 4] 20000
Solution
7
Discuss

What is 15 percent of Rs. 34.? 

  • 1]

    Rs 3.40

  • 2]

    Rs 3.75

  • 3]

    Rs 4.5

  • 4]

    Rs 5.1

Solution
8
Discuss

In an election between two candidates, the winner got 65% of the total votes cast and won the election by a majority of 2748 votes. What is the total number of votes cast if no vote is declared invalid?

  • 1] 8580
  • 2] 8720
  • 3] 9000
  • 4] 9160
Solution
9
Discuss

The price of raw materials has gone up by 15%, labor cost has also increased from 25% of the cost of raw material to 30% of the cost of raw material. By how much percentage should there be reduction in the usage of raw materials so as to keep the cost same?

  • 1] 28%
  • 2] 17%
  • 3] 27%
  • 4] 24%
  • 5] Cannot determined
Solution
10
Discuss

Gauri went to the stationers and bought things worth Rs. 25, out of which 30 paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items?

  • 1]

    Rs. 15

  • 2]

    Rs. 15.70

  • 3]

    Rs. 19.70

  • 4]

    Rs. 20

Solution
# Quiz