Number Series Ques 63

Question-

What will come in place of the question mark (?)

$286 \quad ? \quad 70 \quad 34 \quad 16 \quad 7$

(1) 136

(2) 154

(3) 108

(4) 114

(5) 142

Show Answer

Correct Answer: (5)

Solution: (5)

The pattern is :

$(286 \div 2)-1=143-1=142$

$(142 \div 2)-1=71-1=70$

$(70 \div 2)-1=35-1=34$

$(34 \div 2)-1=17-1=16$

$(16 \div 2)-1=8-1=7$