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In the following question, select the mi...

In the following question, select the missing number from the given series :
7, 19, 42, 87 , ?

A

136

B

176

C

172

D

216

Text Solution

Verified by Experts

The correct Answer is:
B
`7 xx 2 + 5 = 19 `
`19 xx 2 + 4 = 42 `
`42 xx 2 + 3 = 87`
`87 xx 2 + 2 = 176`
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