Math, asked by nisanth707, 1 year ago

(i) Find the mean of their marks

(ii) Find the mean of their marks when the marks of each student are increased by 2

Attachments:

Answers

Answered by 8171402510
1
Mean = (Sum of marks)/No. of students
Mean(when marks are increased by2)=Earlier mean +2

Put all the values and you will be able to find it by yourself
8171402510: Height of cuboid=(5*5*5)/(2.5*2.5) =20 cm
nisanth707: is it correct
nisanth707: because
8171402510: For surface are of cuboid use2(lb+bh+hl)
8171402510: Hope it works
8171402510: Are you in class 10th
nisanth707: apadiyaa
nisanth707: why
8171402510: I want to know
nisanth707: u which class
Answered by richa9466758690
0

Answer:

hope it's clear

please mark me brainlist

Attachments:
Previous Question
Next Question
Similar questions
Chemistry, 7 months ago
The elementry particles such as protons and neutrons are collectively called as _________. A) Mass number B) Porton C) Electron D) nuclons...
Social Sciences, 7 months ago
Q20. What does Mehrgarh tells us about traces of early man?​
Economy, 7 months ago
Gyaan aadharik udyog kya hai​...
Physics, 1 year ago
which of the following is expected to be the best absorber of sound? give reason (a) iron (b) wool (c) wood An explosion occurs on the moon. Will it be (a) seen (b) heard on earth intensely or after sometime...
Chemistry, 1 year ago
Write a method to separate a mixture of salt and ammonium chloride??
Math, 1 year ago
Rinku has built a cuboidal water tank in his house the top of water tank is covered with an iron lead, He wants to cover the inner surfacee of the tank including the base with tiles of size 10 by 10 cm . If the dimensions of water tank are 180cm , 120cm , and 60cm and cost of tiles is Rs.480 per dozen , then find the amount required for tiles.
Math, 1 year ago
Two groups are competing for the position on the board of directors of a corporation. The probabilities that the first and the second groups will win are 0.6 and 0.4 respectively. Further, if the first group wins, the probability of introducing a new product is 0.7 and the corresponding probability is 0.3 if the second group wins. Find the probability that the new product introduced was by the...
Science, 1 year ago
A body is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5km he forgot the correct path at a round of radius 100m. However he moves on the circular path for 1and a half cycle and then he moves forward up to 2km. Calculate the work done by him.