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Rank Interchange - Total - Absolute-Beginner Level: core concept mastery Rank Interchange - Total ABSOLUTE BEGINNER

This skill primer 🌟 worksheet focuses on Rank Interchange - Total - a key topic in Number Ranking. You'll solve 20 absolute-beginner-level problems (Worksheet 1 of 10). The primary focus is on core concept mastery. Master rank interchange - total problems, rank interchange - total reasoning questions, and rank interchange - total practice through systematic practice.

📝 Worksheet 1 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Absolute Beginner level

What you'll learn in this worksheet:
Your progress through Rank Interchange - Total
Worksheet 1 of 10 (0% complete)

Question 1

In a row, Amit is 13th from the left and Tarun is 21th from the right. They interchange their positions. Now, Amit becomes 18th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 18 + 21 - 1 = 38.

Question 2

In a row, Divya is 15th from the left and Ramesh is 25th from the right. They interchange their positions. Now, Divya becomes 20th from the left. What is Ramesh's new rank from the right?
First find total: T = 20 + 25 - 1 = 44. After interchange, Ramesh takes Divya's old position from left (15). So Ramesh's rank from right = T - 15 + 1 = 44 - 15 + 1 = 30.

Question 3

In a row, Chetan is 15th from the left and Sneha is 25th from the right. They interchange their positions. Now, Chetan becomes 19th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 19 + 25 - 1 = 43.

Question 4

In a row, Divya is 14th from the left and Sneha is 18th from the right. They interchange their positions. Now, Divya becomes 19th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 19 + 18 - 1 = 36.

Question 5

In a row, Divya is 15th from the left and Tarun is 21th from the right. They interchange their positions. Now, Divya becomes 19th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 19 + 21 - 1 = 39.

Question 6

In a row, Amit is 10th from the left and Ramesh is 24th from the right. They interchange their positions. Now, Amit becomes 16th from the left. What is Ramesh's new rank from the right?
First find total: T = 16 + 24 - 1 = 39. After interchange, Ramesh takes Amit's old position from left (10). So Ramesh's rank from right = T - 10 + 1 = 39 - 10 + 1 = 30.

Question 7

In a row, Amit is 12th from the left and Usha is 20th from the right. They interchange their positions. Now, Amit becomes 17th from the left. What is Usha's new rank from the right?
First find total: T = 17 + 20 - 1 = 36. After interchange, Usha takes Amit's old position from left (12). So Usha's rank from right = T - 12 + 1 = 36 - 12 + 1 = 25.

Question 8

In a row, Bina is 10th from the left and Usha is 25th from the right. They interchange their positions. Now, Bina becomes 17th from the left. What is Usha's new rank from the right?
First find total: T = 17 + 25 - 1 = 41. After interchange, Usha takes Bina's old position from left (10). So Usha's rank from right = T - 10 + 1 = 41 - 10 + 1 = 32.

Question 9

In a row, Chetan is 14th from the left and Usha is 18th from the right. They interchange their positions. Now, Chetan becomes 19th from the left. What is Usha's new rank from the right?
First find total: T = 19 + 18 - 1 = 36. After interchange, Usha takes Chetan's old position from left (14). So Usha's rank from right = T - 14 + 1 = 36 - 14 + 1 = 23.

Question 10

In a row, Divya is 12th from the left and Tarun is 23th from the right. They interchange their positions. Now, Divya becomes 19th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 19 + 23 - 1 = 41.

Question 11

In a row, Chetan is 12th from the left and Ramesh is 21th from the right. They interchange their positions. Now, Chetan becomes 18th from the left. What is Ramesh's new rank from the right?
First find total: T = 18 + 21 - 1 = 38. After interchange, Ramesh takes Chetan's old position from left (12). So Ramesh's rank from right = T - 12 + 1 = 38 - 12 + 1 = 27.

Question 12

In a row, Divya is 14th from the left and Usha is 25th from the right. They interchange their positions. Now, Divya becomes 18th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 18 + 25 - 1 = 42.

Question 13

In a row, Chetan is 15th from the left and Tarun is 18th from the right. They interchange their positions. Now, Chetan becomes 21th from the left. What is Tarun's new rank from the right?
First find total: T = 21 + 18 - 1 = 38. After interchange, Tarun takes Chetan's old position from left (15). So Tarun's rank from right = T - 15 + 1 = 38 - 15 + 1 = 24.

Question 14

In a row, Divya is 12th from the left and Usha is 22th from the right. They interchange their positions. Now, Divya becomes 17th from the left. What is Usha's new rank from the right?
First find total: T = 17 + 22 - 1 = 38. After interchange, Usha takes Divya's old position from left (12). So Usha's rank from right = T - 12 + 1 = 38 - 12 + 1 = 27.

Question 15

In a row, Chetan is 11th from the left and Sneha is 18th from the right. They interchange their positions. Now, Chetan becomes 17th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 17 + 18 - 1 = 34.

Question 16

In a row, Bina is 15th from the left and Sneha is 20th from the right. They interchange their positions. Now, Bina becomes 21th from the left. What is Sneha's new rank from the right?
First find total: T = 21 + 20 - 1 = 40. After interchange, Sneha takes Bina's old position from left (15). So Sneha's rank from right = T - 15 + 1 = 40 - 15 + 1 = 26.

Question 17

In a row, Amit is 14th from the left and Sneha is 19th from the right. They interchange their positions. Now, Amit becomes 20th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 20 + 19 - 1 = 38.

Question 18

In a row, Bina is 15th from the left and Usha is 19th from the right. They interchange their positions. Now, Bina becomes 20th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 20 + 19 - 1 = 38.

Question 19

In a row, Divya is 14th from the left and Sneha is 22th from the right. They interchange their positions. Now, Divya becomes 19th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 19 + 22 - 1 = 40.

Question 20

In a row, Amit is 11th from the left and Sneha is 24th from the right. They interchange their positions. Now, Amit becomes 17th from the left. What is the total number of people in the row?
When positions are interchanged, using one person's rank from the left and the other's rank from the right at the interchanged positions: T = L + R - 1 = 17 + 24 - 1 = 40.
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