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

What is 15 percent of Rs. 34.? 

  • 1]

    Rs 3.40

  • 2]

    Rs 3.75

  • 3]

    Rs 4.5

  • 4]

    Rs 5.1

Solution
2
Discuss

The population of a town increased from 175000 to 262500 in a decade. The average percent increase of population per year is?

  • 1]

    33.33%

  • 2]

    5%

  • 3]

    6%

  • 4]

    8.75%

Solution
3
Discuss

Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and now has Rs. 1800 left with him. What is his monthly income?

  • 1] Rs. 8000
  • 2] Rs. 7000
  • 3] Rs. 9000
  • 4] Rs. 6000
Solution
4
Discuss

A fraction in reduced form is such that when it is squared and then its numerator is reduced by 33 1/3 % and denominator is reduced to 20%, its result is twice the original fraction. The sum of numerator and denominator is:

 

  • 1] 8
  • 2] 13
  • 3] 17
  • 4] 15
  • 5] None of these
Solution
5
Discuss

In an institute, 60% of the students are boys and the rest are girls. Further 15% of the boys and 7.5% of the girls are getting a fee waiver. If the number of those getting a fee waiver is 90, find the total number of students getting 50% concessions if it is given that 50% of those not getting a fee waiver are eligible to get half fee concession?

  • 1] 360
  • 2] 280
  • 3] 320
  • 4] 330
  • 5] 350
Solution
6
Discuss

express 62.5% as a fraction

  • 1]

    1/2

  • 2]

    5/8

  • 3]

    3/8

  • 4]

    7/8

Solution
7
Discuss

From 2000 onwards, till 2003 the price of computers increased every year by 10%. After that due to government subsidy the price of computers decreases every year by 10%. The price of a computer in 2006 will be approx. how much per cent less than the price in 2000 if the same pattern of price is continued :

  • 1] 2
  • 2] 3
  • 3] 4
  • 4] 5
Solution
8
Discuss

One bacterium splits into eight bacteria of the next generation. But due to environment, only 50% of one generation can produced the next generation. If the seventh generation number is 4096 million, what is the number in first generation?

  • 1] 1 million
  • 2] 2 million
  • 3] 4 million
  • 4] 8 million
  • 5] None of these
Solution
9
Discuss

A customer asks for the production of x number of goods. The company produces y number of goods daily. Out of which z% are units for sale. The order will be completed in :

  • 1]

      days

  • 2]

    days

  • 3]

    days

  • 4]

    days

  • 5]

    Cannot determined

Solution
10
Discuss

A clock is set right at 12 noon on Monday. It losses 1/2 % on the correct time in the first week but gains 1/4 % on the true time during the second week. The time shown on Monday after two weeks will be

 

  • 1] 12 : 25 : 12
  • 2] 11 : 34 : 48
  • 3] 12 : 50 : 24
  • 4] 12 : 24 : 16
  • 5] None of these
Solution
# Quiz