4) In the following question, select the odd letter/word/number from the given alternatives
1. 79-48
2. 59-34
3. 35- 08
4. 57-2
Answers
Answer:
59-34
Step-by-step explanation:
79-48= 7-1 * 9-1= 48
59-34= 5-1 * 9-1= 32 (34)
35-08= 3-1 * 5-1=08
57-24= 5-1 * 7-1= 24
Given :
1. 79-48
2. 59-34
3. 35- 08
4. 57-24 ( correction in Question)
To Find : odd one out
Solution:
1. 79-48
79 = (7 - 1) * ( 9 - 1) = 6 * 8 = 48
2. 59-34
59 = (5 - 1) * ( 9 - 1) = 4 * 8 = 32 ≠ 34
Hence 59-34 is odd one out
3. 35- 08
35 = (3 - 1) * (5 - 1) = 2 * 4 = 8
4. 57-24
57 = (5 - 1) * (7 - 1) = 4 * 6 = 24
Logic is
ab : c
=> (a - 1) * (b - 1) = c
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