Averages Quiz 1 (with easy solutions)

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Q 1)Out of four numbers,the average of first 3 numbers is thrice the fourth number.If the average of four numbers is 5.Then the fourth number is ?

4 3 2 5

Q 2) The average of three boys is 24 yrs.If the ration of their ages is 3:4:5 then the age of the youngest boy is ?

25 years 20 years 18 years 14 years

Q 3)The average age of 8 men is increased by 2 years when two of them whose ages 21 and 23 years replaced by 2 new men .The average age of two new men is ?

30 years 32 years 34 years 28 years

Q 4)The average age of 40 students of a class is 18 years . When 20 new students are admitted to the same class , The average age of the class increased by 6 months .The average age of newly admitted students is ?

19 yrs 3 months 19 yrs 6 months 19 yrs 9 months 20 yrs 6 months

Q 5)The average temparature of first 4 days of week = 25 degrees and The average temparature of last 4 days of week = 15 degrees , find the temparature on thursaday ?

22 degrees 21 degrees 25 degrees 20 degrees

Time taken : (HH : MM :SS)

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