Question

Rahul has two packs of CDs. PACK 1of 10 CDs, each of capacity 700 MB and PACK 2

of 10 CDs, each of capacity 800 MB.


(Note: 1000 MB = 1 GB)

He wants to copy 9 GB of data on CDs. He has only 4 CDs left out from PACK 1. But he

has PACK 2 unused. If he uses the 4 CDs from PACk 1, what will be the minimum

number of CDs needed by Rahul from PACK 2 to copy the entire data?
A. 1
B. 5
C. 8
D. 10 CDs of PACK 2won't be enough. He will need more CDs.

Answer 1

data to be copied = 9000mb.

data copied on pack 1CDs = 4×700 = 2800 mb

data left = 9000-2800= 6200 mb.

no. of CDs from pack 2 required to copy 6200mb = 6200/800 = 7.75,

rounding off 7.75 , we get = 8

so he will need 8 cds from pack 2

Answer 2

Answer:

8

Step-by-step explanation:

so he will need 8 CDs from pack 2