SBI Clerk 2shift 19 Aug 2007 Question 181


These questions are based on the following information :
‘A @ B ‘ means ‘A is added to B’.
‘A * B’ means ‘A is multiplied by B’
‘A # B’ means ‘A is divided By B ‘
‘A $ B’ means ‘B is subtracted from A’
In each question, some information is given. You have to find out which expression correctly represents the statement.

Question 181

Total age of 12 boys is ‘X and the total age of 13 girls is ‘Y. What is the average age (A) of all the boys and girls together ?


average age  = $$\frac{Sum of Elements}{Number of elements}$$

here sum of age = X@Y

and Number of Elements = 25 

So Avg = X@Y#25 

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