MyQuestionIcon

1

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

Mean

The mean of f...

Question

The mean of first three terms is 14 and mean of next two terms is 18. The mean of all the five terms is

A

14.5

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

B

15.0

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

C

15.2

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

D

15.6

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

Open in App

Solution

The correct option is D
15.6

Mean of all the terms= $\frac{3 \times 14 + 2 \times 18}{5}$
$= \frac{42 + 36}{5} = \frac{78}{5} = 15.6$

Suggest Corrections

thumbs-up

0

Similar questions

Q. The mean of five numbers in AP is

89

. The product of first and last terms is

7885

. The AM of first, third and fifth term is

a, b, c

are the first three terms of a geometric series. If the harmonic mean of

a

b

12

b

c

36

, find the first five terms of the series.

40

25

4

, then sum of the squares of all terms is

a, b, c

are the first three terms of a G.P. If the harmonic mean of

a

b

20

and the arithmetic mean of

b

c

5,

Q. Let the mean of

n

¯ x

, if the first term is increased by

1

, second term is increased by

2

and so on, then the new mean is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Central Tendency

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Standard XI Mathematics

Join BYJU'S Learning Program

CrossIcon