Quiz Discussion

A number x is mistakenly divided by 10 instead of being multiplied by 10. what is the percentage error in the result?

Course Name: Quantitative Aptitude

  • 1] -99%
  • 2] -100%
  • 3] +99%
  • 4] +100%
Solution
No Solution Present Yet

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# Quiz
1
Discuss

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?

  • 1] 250 kg
  • 2] 275 kg
  • 3] 300 kg
  • 4] 266.66 kg
Solution
2
Discuss

Connie has a number of gold bars, all of different weights. She gives the 24 lightest bars, which weigh 45% of the total weight, to Brennan. She gives the 13 heaviest bars, which weigh 26% of the total weight, to Maya. She gives the rest of the bars to Blair. How many bars did Blair receive?

  • 1] 14
  • 2] 15
  • 3] 16
  • 4] 17
  • 5] 18
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

600 students took the test on Physics and chemistry. 35% students failed in Physics and 45% students failed in chemistry and 40% of those who passed in chemistry also passed in Physics, then how many students failed in both :

  • 1] 16
  • 2] 15
  • 3] 13
  • 4] 12
Solution
5
Discuss

If two numbers are respectively 30% and 40% more than a third number, what percent is the first of the second?

  • 1]

    %

  • 2]

    %

  • 3]

    80%

  • 4]

    75%

Solution
6
Discuss

An alloy contains the copper and aluminum in the ratio of 7 : 4 While making the weapons from this alloy, 12% of the alloy got destroyed. If there is 12 kg of aluminum in the weapon, then weight of the alloy required is :

  • 1] 14.4 kg
  • 2] 37.5 kg
  • 3] 40 kg
  • 4] 48 kg
Solution
7
Discuss

The marked price of an article is Rs 2400. It is sold at two successive discounts of 10% and 15%. What is the selling price (in Rs) of the article?

  • 1]

    1836

  • 2]

    1924

  • 3]

    1848

  • 4]

    1976

Solution
8
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
9
Discuss

In the Bombay Stock Exchange there are 45% female employees and thus the number of male employees is exceeded by 72. Hence the total no. of employees in the BSE is:

  • 1] 540
  • 2] 720
  • 3] 800
  • 4] 550
Solution
10
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
# Quiz