Increase or Decrease - 2 MCQ

Test your knowledge with important Increase or Decrease - 2 MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Increase or Decrease - 2 MCQs at Bissoy

• A is 20% of a number a is b. What percentage of a is b?
  ক

  100%

  খ

  200%

  গ

  450%

  ঘ

  500%
• The followers of an Instagram influencer increases at a rate of 10%, 20%, 60%, 20% and 25% for the first 5 days of a month. If the followers doubled after this during the entire month, find his total followers gain during the month.
  ক

  304%

  খ

  404%

  গ

  504%

  ঘ

  604%
• Two numbers are increased at a rate of 20% and 30% per annum. If the numbers are in a ratio 8 : 9, find the ratio of the numbers after 2 years.
  ক

  129 : 168

  খ

  128 : 169

  গ

  147 : 169

  ঘ

  122 : 179
• The average salary of a family is increased by 50% every year. If the expenditure of the family is 20% of the total income during the first year and is increased at a rate of 30% each year, find the ratio of income to expenses after 2 years.
  ক

  1125 : 169

  খ

  1169 : 125

  গ

  1215 : 169

  ঘ

  1150 : 169
• The height of a boy increases at a rate of 10% per annum. Find his height after 3 years if his height now is 3 feet.
  ক

  5 feet

  খ

  4.5 feet

  গ

  4 feet

  ঘ

  3.7 feet
• A number is increased by 20% after every 10 days. Find the percentage change in value of the number after 40 days.
  ক

  105.36%

  খ

  107.36%

  গ

  109.56%

  ঘ

  111.56%
• The area of a rectangle is increased 43%. If the length of the rectangle is increased by 10% find the change in its breadth.
  ক

  20%

  খ

  25%

  গ

  30%

  ঘ

  50%
• The sides of a square are increased by 72%. Find the percentage increase in its area.
  ক

  195.84%

  খ

  199.85%

  গ

  198.5%

  ঘ

  194.85%
• The height and length of a cuboid is increased by 50% and 15% respectively. Find the percentage increase in its volume.
  ক

  72%

  খ

  72.5%

  গ

  73%

  ঘ

  73.5%