I read 3/8 of a book on one day and 4/5 of the remainder on another day. If…
2025
I read 3/8 of a book on one day and 4/5 of the remainder on another day. If now there were 30 pages unread, the book contains?
Answer: B. 240 pages — Ans:- 240 pages Let total number of pages in the book = x Pages read on one day = 3x/8 and on another day = [x – (3x/8)] * 4/5 Remaining pages = 30 So (3x/8)…
- A.
360 pages
- B.
240 pages
- C.
270 pages
- D.
300 pages
Attempted by 8 students.
Show answer & explanation
Correct answer: B
Ans:- 240 pages
Let total number of pages in the book = x
Pages read on one day = 3x/8 and on another day = [x – (3x/8)] * 4/5
Remaining pages = 30
So (3x/8) + [x – (3x/8)] * 4/5 + 30 = x
(3x/8) + (x/2) + 30 = x
x = 240
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