Question

THE MEAN OF100 NUMBERS IS 45.THE MEAN OF LAST 99 NUMBERS IS 44. THE FIRST NUMBER IS

Answer 1

Answer:

Mark this answer as brainlist and do follow me and thank all my answers

Step-by-step explanation:

The mean of 100 numbers is 45.

∴ Sum of all 100 numbers =100×45=4500

The mean of last 99 numbers is 44.

∴ Sum of all last 99 numbers =99×44=4356

⇒ The first number =4500−4356=144

Answer 2

Answer:

Step-by-step explanation:

Mean= y

         100

45=  y

1      100

y=4500

44×99=4356

=144

∴the first number is 144

they both reduce together

hope that helps you