Choose or find odd number pair - (343 - 7) , (243 - 9) , (512 - 8) , (216 - 6)

B. 243 - 9

Choose or find odd word - Bully , Bunker , Corner , Dribble , Scoop

B. BUNKER

Number of letters skipped in between adjacent letters in the series is two. Which of the following series observes this rule ?

A. MPSVYBE

In the following question, a matrix of certain characters is given. These characters follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.
A D H
F I M
? N R

A. K

If the difference of the roots of the equation $x^2 - 2kx + 3k = 0$ is 4, then find the value of k.

B. 4, - 1
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