Addition and Subtraction MCQ

Test your knowledge with important Addition and Subtraction MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Addition and Subtraction MCQs on Bissoy. Bissoy App

• Raj was dictating some numbers to his friend Raju. He misread 43 as 34 and 65 as 56. Find the difference caused in the average if there were a total of 12 digits and the average with wrong digits is 23.
  ক

  1

  খ

  1.5

  গ

  2

  ঘ

  2.5
• A total of 5000 is taken out from the average of 50 values, the new average is 20. Find the initial average.
  ক

  15.66

  খ

  16.33

  গ

  16.66

  ঘ

  17.33
• 20 people work for a company for a monthly package of 20 thousand each. 5 of them got an increment of 10 %, 10 of them got an increment of 50 % rest of them were set off by the company. Find the average of the new salaries of the employees.
  ক

  25000

  খ

  26666.66

  গ

  27111.11

  ঘ

  27333.33
• What is the value when average of first 20 even numbers is added to the sum of first 5 two – digit palindrome numbers and first 10 odd numbers.
  ক

  74

  খ

  68

  গ

  54

  ঘ

  48
• 10 people applied for a job with average experience of 5 years. The company demanded for a minimum of 4 years of experience. Due to this norm 4 candidates were set out. The average experience of candidates now is 7 years. Find the average experience of the candidates set out.
  ক

  1 year

  খ

  1.5 years

  গ

  2 years

  ঘ

  2.5 years
• There are 5 members in a family. One of them died due to some disease. If the average age of the family is decreased by 20% of what it was before, find the age of the deceased person if the average before was 50 years.
  ক

  60

  খ

  70

  গ

  80

  ঘ

  90
• 11 is subtracted from the average of first 11 prime numbers. Then the average of the first 9 even numbers is added to it. Find the average resulting group of numbers.
  ক

  3.54

  খ

  13.54

  গ

  4.54

  ঘ

  14.54
• Find the average of 10 numbers formed after 10 taken out from the average of first 22 prime numbers.
  ক

  22.5

  খ

  32.5

  গ

  42.5

  ঘ

  47.5
• The average of 10 numbers is 50. If 2 new numbers are added, the total is increased by 100. 4 existing numbers are taken out, the total is decreased by 50%. Find the average of the new numbers.
  ক

  32

  খ

  35.5

  গ

  37.5

  ঘ

  28
• The average monthly pay of 40 employees is 25000. Out of which 11 employees who were paid 20000 were removed. 22 employees were newly hired with annual pay of 144000. Find the new average quarterly salary of the employees to the nearest rupee.
  ক

  20,862

  খ

  20,863

  গ

  30,862

  ঘ

  30,863
• The average age of 5 boys of a class is 15. If 7 more boys are admitted to the class with average age 12, and 3 of the existent boys leave the class with the average age 13, what will be the new average age of the boys of the class?
  ক

  6.1

  খ

  6.2

  গ

  6.3

  ঘ

  6.4