A) 28
B) 215
C) 7
D) 63
Correct Answer: B
Solution :
\[0\,\,+\,\,7\,\,=\,\,7\] \[7\,\,+\,\,21\,\,=\,\,28\] \[28\,\,+\,\,35\,\,=\,\,63\] \[63\,\,+\,\,61\,\,=\,\,124\] \[124\,\,+\,\,87\,\,=\,\,\] Therefore, the number 215 is wrong in the series.You need to login to perform this action.
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