there are two groups a and b of a class consisting of 42 and 28 studen

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Q:
There are two groups A and B of a class, consisting of 42 and 28 students respectively. If the average weight of group A is 25 kg and that of group B is 40 kg, find the average weight of the whole class.

1
69 kg
2
31 kg
3
70 kg
4
30 kg

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Answer : 2. "31 kg "
Explanation :

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Maths Average Questions

Q:
There are two groups A and B of a class, consisting of 42 and 28 students respectively. If the average weight of group A is 25 kg and that of group B is 40 kg, find the average weight of the whole class.

Answer : 2. "31 kg "
Explanation :

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there-are-two-groups-a-and-b-of-a-class-consisting-of-42-and-28-studen

Q: There are two groups A and B of a class, consisting of 42 and 28 students respectively. If the average weight of group A is 25 kg and that of group B is 40 kg, find the average weight of the whole class.

Answer : 2. "31 kg " Explanation :

Similar Questions

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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?

Taxonomies

Are you sure

Report Error

there-are-two-groups-a-and-b-of-a-class-consisting-of-42-and-28-studen

Q:
There are two groups A and B of a class, consisting of 42 and 28 students respectively. If the average weight of group A is 25 kg and that of group B is 40 kg, find the average weight of the whole class.

Answer : 2. "31 kg "
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?