the average of 30 numbers is 40 and that of the other 40 numbers is 30

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Q:
The average of 30 numbers is 40 and that of the other 40 numbers is 30. The average of all the numbers is-

1
35
2
34
3
4
34.5

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Answer : 3. " "
Explanation :

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Maths Average Questions

Q:
The average of 30 numbers is 40 and that of the other 40 numbers is 30. The average of all the numbers is-

Answer : 3. " "
Explanation :

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Q: The average of 30 numbers is 40 and that of the other 40 numbers is 30. The average of all the numbers is-

Answer : 3. " " Explanation :

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Q. A clock only with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of mirror. A person reads the time in the reflection of the clock as 4.50. What is the actual time?

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the-average-of-30-numbers-is-40-and-that-of-the-other-40-numbers-is-30

Q:
The average of 30 numbers is 40 and that of the other 40 numbers is 30. The average of all the numbers is-

Answer : 3. " "
Explanation :

Q.
If Suresh borrows Rs. 36000 from Mahesh at rate of interest 6% S.I, at the end of four years how much interest Suresh has to pay along with principal amount?

Q.
A train moving at speed of 90 km/hr crosses a pole in 7 seconds. Find the length of the train.

Q.
A clock only with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of mirror. A person reads the time in the reflection of the clock as 4.50. What is the actual time?