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Three of the following four triads are alike in a certain way as they are formed by performing the same mathematical operations among themselves and thus form a group. Which triad does NOT belong to that group?
5Q:
Three of the following four triads are alike in a certain way as they are formed by performing the same mathematical operations among themselves and thus form a group. Which triad does NOT belong to that group?
- 111 : 21: 121false
- 27 : 15: 49true
- 32 : 3: 4false
- 49 : 17: 81false
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Answer : 2. "7 : 15: 49"
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