{:(2,7,4),(5,2,3),(1,?,6),(10,42,72):}...

`{:(2,7,4),(5,2,3),(1,?,6),(10,42,72):}`

A

2

B

4

C

5

D

3

Verified by Experts

The correct Answer is:

D

`2 xx 5 xx 1= 10`
`4 xx 3 xx 6 = 72`
`7 xx 2 xx ? = 42`
`:. ? = 3`

{:(2,7,4),(5,2,3),(1,?,6),(10,42,72):}
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