CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Quantitative Aptitude

Averages

The average w...

Question

The average weight of a class of 25 students is 34 kg. If the weight of their maths teacher is included, the average rises by 400 g. The weight of the teacher is

A

40.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

45.4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

40.4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

44.4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

E

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D
44.4

Weight of the maths teacher

= (34.4 $\times$ 26 - 34 $\times$ 25) kg

= 44.4 kg.

Suggest Corrections

thumbs-up

0

Similar questions

Q. The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400g. The weight of the teacher is

Q. The average weight of students in a class of 35 students is 40 kg. If the weight of the teacher be included, the average rises by

\frac{1}{2}

kg, the weight of the teacher is

Q. The average weight of students in a class of 35 students is 40 kg. If the weight of the teacher be included, the average rises by

\frac{1}{2}

kg, the weight of the teacher is

Q. The mean weight of 34 students of a school is 42 kg. If the weight of the
teacher is included, then the mean rises by 400 g. Find the weight (in kg) of the teacher.

Q. The average weight of

25

students of grade

7

40 kg

. If the weight of teacher is included, then the average weight becomes

41.5 kg

. Find the weight of the teacher.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Averages

QUANTITATIVE APTITUDE

Watch in App

explore_more_icon

Explore more

Other Quantitative Aptitude

Join BYJU'S Learning Program

CrossIcon