In the following question, select the odd number pair from the given alternatives. Options: 1) 11-13 2) 17-19 3) 23-31 4) 31-37

In the following question, select the odd number pair from the given alternatives. 

Options: 

1) 11-13 

2) 17-19

3) 23-31 

4) 31-37 
by

1 Answer

Answer :

Correct Answer: 23 - 31 
by

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Find the range of the given data : 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20 -Maths 9th

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Last Answer : Here, the minimum and maximum values of given data are 6 and 32 respectively. Range = 32 – 6 = 26

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The average age of A and B is 20 years. If C were to replace A, the average would be 19 and id C were to replace B,the average would be 21 . The ages of A, B and C are (in years) (a) 22, 17,16 (b) 22, 18, 20 (c) 30, 18, 15 (d) 23, 17 ,15

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Last Answer : 22, 18, 20 Hint : A + B = 2 x 20 C + B = 2 x 19 A + C = 2 x 21