Quiz Discussion

A college has raised 75% of the amount it needs for a new building by receiving an average donation of Rs. 600 from the people already solicited. The people already solicited represent 60% of the people, the college will ask for donations. If the college is to raise exactly the amount needed for the new building, what should be the average donation from the remaining people be solicited?

Course Name: Quantitative Aptitude

  • 1] 300
  • 2] 250
  • 3] 400
  • 4] 500
Solution
No Solution Present Yet

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# Quiz
1
Discuss

An inspector rejects 0.08% of the meters as defective. How many will he examine to reject 2?

  • 1]

    2000

  • 2]

    2200

  • 3]

    2500

  • 4]

    2800

Solution
2
Discuss

In a factory there are three types of machine M1, M2 and M3 which produces 25%, 35% and 40% of the total products respectively. M1, M2 and M3 produces 2%, 4% and 5% defective products, respectively. what is the percentage of non-defective products ?

  • 1] 89%
  • 2] 97.1%
  • 3] 96.1%
  • 4] 86.1%
  • 5] None of these
Solution
3
Discuss

In the Science City, Kolkata the rate of the ticket is increased by 50% to increased the revenue but simultaneously 20% of the visitor decreased. What is percentage change in the revenue. if it is known that the Science city collects one revenue only from the visitors and it has no other financial supports:

  • 1] +20%
  • 2] -25%
  • 3] +30%
  • 4] -30%
  • 5] Cannot determined
Solution
4
Discuss

In a college, 40% of the students were allotted group A, 75% of the remaining were given group B and the remaining 12 students were given group C. Then the number of students who applied for the group is :

  • 1]

    100

  • 2]

    60

  • 3]

    80

  • 4]

    90

Solution
5
Discuss

What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?

  • 1]

    1

  • 2]

    14

  • 3]

    20

  • 4]

    21

Solution
6
Discuss

25% of 25% Is Equal To

  • 1]

    0.0625

  • 2]

    0.0210

  • 3]

    0.03145

  • 4]

    0.3210

Solution
7
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
8
Discuss

P is 6 times greater than Q then by what per cent is Q smaller than P?

  • 1] 84%
  • 2] 85.5%
  • 3] 80%
  • 4] 83.33%
Solution
9
Discuss

Every day a mango seller sells half his stock, 10% of the stock overnight gets spoiled. If 1983 mangoes rotted over 3 nights then how many did hi start with on the first day ?

  • 1] 25,000
  • 2] 24,000
  • 3] 30,000
  • 4] 32,000
  • 5] None of these
Solution
10
Discuss

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?

  • 1]

    0.20

  • 2]

    0.36

  • 3]

    0.32

  • 4]

    0.25

Solution
# Quiz