The average age of 24 boys and their teacher is 15 years. When the teacher's age is excluded, the average age decreases by 1 year. The age of the teacher is_ (1) 38 years (3) 40 yearts (5) None of these (2) 39 years (4) 41 years coof 1 lovers of a team

Avg. - Bum ot Number umje- Total Number- 15 x35 375 Age of Teacher 39 yr

The average age of 3 friends is 23. If the age of 4'h friend is added, their average age remains 23. What is the age of the 4th friend? (1) 22 yrs. (3) 24 yrs (5) None of theset. (2) 23yrs (4) 25 yrs' tdemte in a school

The average age of 12 players of a teanm is 25 years. If the captain's age is included, the average age increases by 1 year. The age of the captain is (1) 25 yrs (3) 36 yrs (5) None of these (2) 38 yrs (4) 46 yrs

Avg. XNo - m X 13 = 338 Age of Captain 38 yr

The average salary of the entire staff in a office is t 120 per month. The average salary of officers is ? 460 and that of non-officers is V 110. If the number of officers is 15, then find the number of non-officers in the office. (1).610 (3) 410 (4) Can't be det rmined (5) None of these (2) 510

Let No of Non- (1 cev's-K

380 .S

The average marks of a student in four subjects is 75. If the student obtained 80 marks in the 5th subject then the new average is (1) 80 (3) 92 (5) None of these (2) 76 (4) 95

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Swati Tyagi Mahendru

a year ago

taj trapezium zone. 10400 square km area covering 40 monuments like Agra fort fatehpur sikri etc

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