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Average Replacement Beginner-Intermediate Worksheet: Focus on common variations practice Average Replacement BEGINNER INTERMEDIATE

Level up your Average Replacement skills! You're at Worksheet 4 of 10 (33% through this series). This step-up challenge worksheet features 20 beginner-intermediate-level problems with a focus on common variations practice. Topics covered: average replacement for competitive exams, how to solve average replacement, average replacement tricks.

📝 Worksheet 4 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner Intermediate level

What you'll learn in this worksheet:
Your progress through Average Replacement
Worksheet 4 of 10 (33% complete)

Question 1

The average age of 5 people is 37. If Zoey (age 24) leaves and a new person joins, the average becomes 43. Find the age of the new person.
Initial total = 37 × 5 = 185
After Zoey leaves: 185 - 24 = 161
New total = 43 × 5 = 215
New person's age = 215 - (161) = 54

Question 2

The average age of 6 people is 28. If Kuldeep (age 28) leaves and a new person joins, the average becomes 32. Find the age of the new person.
Initial total = 28 × 6 = 168
After Kuldeep leaves: 168 - 28 = 140
New total = 32 × 6 = 192
New person's age = 192 - (140) = 52

Question 3

The average age of 4 people is 30. If Arlo (age 33) leaves and a new person joins, the average becomes 33. Find the age of the new person.
Initial total = 30 × 4 = 120
After Arlo leaves: 120 - 33 = 87
New total = 33 × 4 = 132
New person's age = 132 - (87) = 45

Question 4

The average age of 6 people is 25. If Nora (age 43) leaves and a new person joins, the average becomes 24. Find the age of the new person.
Initial total = 25 × 6 = 150
After Nora leaves: 150 - 43 = 107
New total = 24 × 6 = 144
New person's age = 144 - (107) = 37

Question 5

The average age of 6 people is 38. If Nora (age 26) leaves and a new person joins, the average becomes 43. Find the age of the new person.
Initial total = 38 × 6 = 228
After Nora leaves: 228 - 26 = 202
New total = 43 × 6 = 258
New person's age = 258 - (202) = 56

Question 6

The average age of 5 people is 37. If Rachit (age 34) leaves and a new person joins, the average becomes 39. Find the age of the new person.
Initial total = 37 × 5 = 185
After Rachit leaves: 185 - 34 = 151
New total = 39 × 5 = 195
New person's age = 195 - (151) = 44

Question 7

The average age of 6 people is 35. If Kumud (age 29) leaves and a new person joins, the average becomes 38. Find the age of the new person.
Initial total = 35 × 6 = 210
After Kumud leaves: 210 - 29 = 181
New total = 38 × 6 = 228
New person's age = 228 - (181) = 47

Question 8

The average age of 5 people is 30. If Sarvesh (age 26) leaves and a new person joins, the average becomes 30. Find the age of the new person.
Initial total = 30 × 5 = 150
After Sarvesh leaves: 150 - 26 = 124
New total = 30 × 5 = 150
New person's age = 150 - (124) = 26

Question 9

The average age of 6 people is 35. If Rakshit (age 45) leaves and a new person joins, the average becomes 35. Find the age of the new person.
Initial total = 35 × 6 = 210
After Rakshit leaves: 210 - 45 = 165
New total = 35 × 6 = 210
New person's age = 210 - (165) = 45

Question 10

The average age of 5 people is 34. If Ganesh (age 36) leaves and a new person joins, the average becomes 34. Find the age of the new person.
Initial total = 34 × 5 = 170
After Ganesh leaves: 170 - 36 = 134
New total = 34 × 5 = 170
New person's age = 170 - (134) = 36

Question 11

The average age of 6 people is 32. If Kishore (age 38) leaves and a new person joins, the average becomes 35. Find the age of the new person.
Initial total = 32 × 6 = 192
After Kishore leaves: 192 - 38 = 154
New total = 35 × 6 = 210
New person's age = 210 - (154) = 56

Question 12

The average age of 4 people is 38. If Sarita (age 27) leaves and a new person joins, the average becomes 40. Find the age of the new person.
Initial total = 38 × 4 = 152
After Sarita leaves: 152 - 27 = 125
New total = 40 × 4 = 160
New person's age = 160 - (125) = 35

Question 13

The average age of 6 people is 29. If Om (age 31) leaves and a new person joins, the average becomes 35. Find the age of the new person.
Initial total = 29 × 6 = 174
After Om leaves: 174 - 31 = 143
New total = 35 × 6 = 210
New person's age = 210 - (143) = 67

Question 14

The average age of 6 people is 30. If Mahesh (age 39) leaves and a new person joins, the average becomes 27. Find the age of the new person.
Initial total = 30 × 6 = 180
After Mahesh leaves: 180 - 39 = 141
New total = 27 × 6 = 162
New person's age = 162 - (141) = 21

Question 15

The average age of 6 people is 37. If Naomi (age 33) leaves and a new person joins, the average becomes 35. Find the age of the new person.
Initial total = 37 × 6 = 222
After Naomi leaves: 222 - 33 = 189
New total = 35 × 6 = 210
New person's age = 210 - (189) = 21

Question 16

The average age of 4 people is 38. If Ivan (age 38) leaves and a new person joins, the average becomes 38. Find the age of the new person.
Initial total = 38 × 4 = 152
After Ivan leaves: 152 - 38 = 114
New total = 38 × 4 = 152
New person's age = 152 - (114) = 38

Question 17

The average age of 4 people is 39. If Nilesh (age 33) leaves and a new person joins, the average becomes 41. Find the age of the new person.
Initial total = 39 × 4 = 156
After Nilesh leaves: 156 - 33 = 123
New total = 41 × 4 = 164
New person's age = 164 - (123) = 41

Question 18

The average age of 6 people is 30. If Hana (age 25) leaves and a new person joins, the average becomes 30. Find the age of the new person.
Initial total = 30 × 6 = 180
After Hana leaves: 180 - 25 = 155
New total = 30 × 6 = 180
New person's age = 180 - (155) = 25

Question 19

The average age of 6 people is 33. If Andrew (age 37) leaves and a new person joins, the average becomes 36. Find the age of the new person.
Initial total = 33 × 6 = 198
After Andrew leaves: 198 - 37 = 161
New total = 36 × 6 = 216
New person's age = 216 - (161) = 55

Question 20

The average age of 4 people is 29. If Michael (age 40) leaves and a new person joins, the average becomes 24. Find the age of the new person.
Initial total = 29 × 4 = 116
After Michael leaves: 116 - 40 = 76
New total = 24 × 4 = 96
New person's age = 96 - (76) = 20
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