Scholarship Exam Preparation App
Class 6 - (Intelligence Test )
Series - Numbers
81, 64, 49, 36, 25, ? What will replace the question mark in this sequence?
a :
16
b :
9
c :
20
d :
12
Explanation :
is a series of squares in descending order: 9², 8², 7², 6², 5². Now 4² = 16 will come.