Quiz Discussion

Each side of a rectangular field diminished by 40%. By how much per cent is the area of the field diminished?

Course Name: Quantitative Aptitude

  • 1] 32%
  • 2] 64%
  • 3] 25%
  • 4] 16%
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The length, breadth and height of a room are in ratio 3:2:1. If breadth and height are halved while the length is doubled, then the total area of the four walls of the room will

  • 1] remain the same
  • 2] decrease by 13.64%
  • 3] decrease by 15%
  • 4] decrease by 18.75%
  • 5] decrease by 30%
Solution
2
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
3
Discuss

In an examination 80% candidates passed in English and 85% candidates passed in Mathematics. If 73% candidates passed in both these subjects, then what per cent of candidates failed in both the subjects?

  • 1] 8
  • 2] 15
  • 3] 27
  • 4] 35
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

The price of the sugar rise by 25%. If a family wants to keep their expenses on sugar the same as earlier, the family will have to decrease its consumption of sugar by

  • 1] 25%
  • 2] 20%
  • 3] 80%
  • 4] 75%
Solution
6
Discuss

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

  • 1] -99%
  • 2] -100%
  • 3] +99%
  • 4] +100%
Solution
7
Discuss

The actual area of a rectangle is 60 Cm2, but while measuring its length a student decreases it by 20% and the breadth increases by 25%. The percentage error in area, calculated by the student is :

  • 1] 5%
  • 2] 15%
  • 3] 20%
  • 4] No change
Solution
8
Discuss

At the beginning of a year ,the owner of a jewel shop raised the price of all the jewels in his shop by x% and lowered them by x%. The price of one jewel after this up and down cycle reduced by Rs. 100. The owner carried out the same procedure after a month. After this second up-down cycle,the price of that jewel was Rs. 2304. Find the original price of that jewel(in Rs.)

  • 1] 2500
  • 2] 2550
  • 3] 2600
  • 4] 2650
  • 5] None of these
Solution
9
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
10
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
# Quiz