Math, asked by sharma98vansh, 2 months ago

the mean of 10 observaation is 20 and another 15 observation mean is 16 . find the mean of all 25 observations

Answers

Answered by Anonymous

1

Answer:

21

Step-by-step explanation:

get the explanation yourself

Previous Question

Next Question

Similar questions

Math, 1 month ago

Practice Set 47 1. Find the total surface area of cubes having the following sides. (i) 3 cm (ii) 5 cm in) 7.2 m (iyy6.8 m V) 5.5 m 2. Find the total surface area of the cuboids of length, breadth and height as given below: (i) 12 cm, 10 cm, 5 cm (ii) 5 cm, 3.5 cm, 1.4 cm (iii) 2.5 cm, 2 m, 2.4 m (iv) 8 m, 5 m, 3.5 m...

Science, 1 month ago

earth was invent in witch year...

Math, 1 month ago

if a/b=(-3/7)⁹÷(-3/7)⁸,the value of (a/b)³ is...

Math, 2 months ago

1. Multiply: (a) 3 min 20 s by 2 (c)2 h 27 min 32 s x 5 (e) 9 h 17 min 14 s x 6 (g) 1 h 15 min 10 s x 8...

Science, 2 months ago

what is prevailing temperature of air during suction in compressor...

Math, 8 months ago

a Plot the following five points in a rectangular coordinate plane using graph paper. (1, 1), (2, 2), (4,4), (5,5), (9,9)...

English, 8 months ago

'She opens the door.' Change this to indirect speech. Plz give an appropriate and right answer.

Social Sciences, 8 months ago

who held as a prisoner in the vellore fort during British period?