Find the missing number.
Find the missing number.
81 121 225 9 11 15 63 ? 105
A77
B68
C54
D52
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Find the missing number.
81 121 225 9 11 15 63 ? 105
Akilesh Kharvi ? Nov 12 '2016 at 16:9
Answer is : 77
The first number in each column is the square of the second number and the third number is 7 times of the second number.
so ? = 7 *11 = 77.
Answer is : 77
The first number in each column is the square of the second number and the third number is 7 times of the second number.
so ? = 7 *11 = 77.
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