Quiz Discussion

An ore contains 25% of an alloy that has 90% iron. Other than this, in the remaining 75% of the ore, there is no iron. How many kilograms of the ore are needed to obtain 60 kg of pure iron?

Course Name: Quantitative Aptitude

  • 1] 250 kg
  • 2] 275 kg
  • 3] 300 kg
  • 4] 266.66 kg
Solution
No Solution Present Yet

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# Quiz
1
Discuss

In an election a candidate who gets 84% of the votes is elected by a majority of 476 votes. What is the total number of votes polled?

  • 1]

    672

  • 2]

    700

  • 3]

    749

  • 4]

    848

Solution
2
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%.

3
Discuss

In an office in Singapore there are 60% female employees. 50 % of all the male employees are computer literate. If there are total 62% employees computer literate out of total 1600 employees, then the no. of female employees who are computer literate ?

  • 1] 690
  • 2] 674
  • 3] 672
  • 4] 960
Solution
4
Discuss

Rajeev buys good worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for the goods.

  • 1]

    Rs. 6876.10

  • 2]

    Rs. 6999.20

  • 3]

    Rs. 6654

  • 4]

    Rs. 7000

Solution
5
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
6
Discuss

After three successive equal percentage rise in the salary the sum of 100 rupees turned into 140 rupees and 49 paise. Find the percentage rise in the salary.

  • 1] 12%
  • 2] 22%
  • 3] 66%
  • 4] 82%
  • 5] 77%
Solution
7
Discuss

The average weight of a class of students is 67.5 kg. The weight of the class teacher is 25% more than the average weight of the class. The average weight of the class is less than the class teacher by x%. The value of x is:

  • 1] 33.335
  • 2] 25%
  • 3] 20%
  • 4] 22%
Solution
8
Discuss

express 62.5% as a fraction

  • 1]

    1/2

  • 2]

    5/8

  • 3]

    3/8

  • 4]

    7/8

Solution
9
Discuss

In the recent, climate conference in New York, out of 700 men, 500 women, 800 children present inside the building premises, 20% of the men, 40% of the women and 10% of the children were Indians. Find the percentage of people who were not Indian?

  • 1] 77%
  • 2] 73%
  • 3] 79%
  • 4] 83%
Solution
10
Discuss

What percent is 3% of 5% ?

  • 1]

    60%

  • 2]

    15%

  • 3]

    50%

  • 4]

    30%

Solution
# Quiz