`{:(I.,40,32,72,12),(II.,30,24,54,9),(III.,54,?,90,15):}`

Options

A. 46
B. 49
C. 48
D. 36

Answer

D

Explanation

पहली पंक्ति
`40 + 32 = 72`
तथा, `72/6 = 12`
दूसरी पंक्ति
`30 + 24 = 54`
तथा `(54)/(6)= 9`
तीसरी पंक्ति
`54 + ? = 90`
`rArr ? = 90 - 54 = 36`
तथा, `90/6 = 15`