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Class 14
REASONING
{:(2,3,4,?),(3,1,4,2),(4,2,2,6),(5,5,2,2...

`{:(2,3,4,?),(3,1,4,2),(4,2,2,6),(5,5,2,2),(196,121,144,225):}`

A

4

B

5

C

6

D

3

लिखित उत्तर

Verified by Experts

The correct Answer is:
B

पहला कॉलम
`2 + 3 + 4 + 5 = 14`
`rArr 14 xx 14 = 196`
दूसरा कॉलम
`3 + 1 + 2 + 5 = 11`
तीसरा कॉलम
`4 + 4 + 2 + 2 = 12`
`rArr 12 xx 12 = 144`
चौथा कॉलम
`sqrt(225) = 15`
`rArr ? + 2 + 2 6 + 2 = 15`
`rArr ? = 15 - 10 = 5`
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