Pouch and Slot Amount Problems

The video tutorial explains a number puzzle from CAT 2019, involving a 3x3 grid with pouches containing coins. The task is to determine the number of coins in each pouch based on given minimum and maximum values, ensuring that the total in each row and column is a multiple of nine. The tutorial walks through solving the puzzle step-by-step, calculating totals, and answering related questions.

What is the total number of pouches in the 3x3 grid?

• 36

• 9

• 27

• 18

How many coins can the third value in a pouch have if the minimum is 2 and the maximum is 4?

• 2, 3, or 4

• Only 3

• 1, 2, or 3

• 3 or 4

What must the total amount of money in any row or column be a multiple of?

• 6

• 12

• 3

• 9

What is the total amount of money in the first column of the third row?

• 3

• 4

• 5

• 6

If the minimum sum is 17 and the maximum is 21, what is the multiple of 9 in between?

• 18

• 19

• 20

• 21

How many pouches contain exactly one coin?

• 9

• 8

• 7

• 6

What is the total amount in the three pouches kept in the first column of the second row?

• 14

• 13

• 12

• 11

How many slots have an average amount that is an integer?

• 3

• 1

• 4

• 2

How many slots have a total amount that strictly exceeds 10?

• 4

• 5

• 3

• 2