Question

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
​

Answer 1

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

Answer 2

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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