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In the following questions, a series is ...

In the following questions, a series is given, with one term missing. Choose the correct alternative from the given ones.
`{:(6,15,20),(8,4,5),(3,5,20),(51,65,?):}`

A

56

B

120

C

51

D

12

Text Solution

Verified by Experts

The correct Answer is:
B
Multiply the first number by the second number and then add the thid number to the product so obtained in each column to get the result.
`6xx8=48` and `48+3=51`
`15xx4=60` and `60+5=65`
`20xx5=100` and `100+20=120`
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