Question : Directions: 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?
Option 1: 24 : 25 : 5
Option 2: 35 : 36 : 6
Option 3: 8 : 15 : 3
Option 4: 3 : 10 : 2
Correct Answer: 35 : 36 : 6
Solution :
Let's check the given options –
First option:
24 : 25 : 5→(5)
2
– 1 = 25 – 1 = 24; 5 × 5 = 25
Second option:
35 : 36 : 6→(6)
2
– 1 = 36 – 1 = 35; 6 × 5 = 30
≠ 36
Third option:
8 : 15 : 3→(3)
2
– 1 = 9 – 1 = 8; 3 × 5 = 15
Fourth option:
3 : 10 : 2→(2)
2
– 1 = 4 – 1 = 3; 2 × 5 = 10
So, only the second option does not follow the pattern of the other three options. Hence, the second option is correct.
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