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Answer : Option B
Explanation :
Clearly, we have : 7 * 2 + 2 = 16 ; 16 * 2 + 2 = 34... and so on
so the missing number will be 34 * 2 + 2 = 70
Answer : Option C
Moving clockwise, we get the sequence : 23 ,33 ,43 ,53 ,63 ....So we get the sequence 73 = 243
Answer : Option A
The two ends of each line segment contains a number and its square.
so missing number is 12 = 1
In fig ( A) , 10 - 4 = 6, 18 - 10 = 8, 18 - 4 = 14In fig ( B ) , 14 - 8 = 6, 22 - 14 = 8, 22 - 8 = 14In fig ( C ), 11 - 5 = 6, 15 - 11 = 4 .So the missing number is 15 - 5 = 10
The numbers in the right form the series : 2,3,4,5The numbers in the left half form the series : 5,7,9,11
