In each of the following equations. Select the missing number from the given responses.
`{:(6,5,4),(7,6,5),(5,7,6),(37,23,?):}`

Options

A. 10
B. 12
C. 13
D. 14

Answer

D

Explanation

Subtract the third number from the product of the first and the second numbers to get the lowermost number in each column.
First column
`6xx7-5=42-5=37`
Second column
`5xx6-7=30-7=23`
Third column
`4xx5-6=20-6=14`