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

Top 5 Similar Quiz - Based On AI&ML

Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api

# 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

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

The population of village is 1,00,000. The rate of increase is 10% per annum. Find the population at the start of the third year?

  • 1] 1,33,100
  • 2] 1,21,000
  • 3] 1,18,800
  • 4] 1,20,000
  • 5] None of these
Solution
4
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
5
Discuss

Out of the total production of iron from hematite, an ore of Iron, 20% of the ore gets wasted, and out of the remaining iron, only 25% is pure iron. If the pure iron obtained in a year from a mine of hematite was 80,000 kg, then the quantity of hematite mined from that mine in the year is

 

  • 1] 5,00,000 kg
  • 2] 4,00,000 kg
  • 3] 4,50,000 kg
  • 4] None of these
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 price of a car depreciates in the first year by 25% in the second year by 20% in third year by 15% and so on. The final price of the car after 3 years, if the present cost of the car is Rs. 10,00,000 :

  • 1] 7,80,000
  • 2] 1,70,000
  • 3] 6,90,000
  • 4] 5,10,000
Solution
8
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
9
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
10
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
# Quiz