Time and Work Practice Test 5 with solutions

Question : 19 of 30

Marks: +1, -0

Gopal and Madhava are working on an assignment. Gopal takes 6 hours to type 32 pages on a computer. While Madhava takes 5 hours to type 40 pages. How much time will take they, working together on two different computers to type an assignment of 110 pages?

8 hrs. 25 min.
8 hrs. 15 min.
8 hrs.
7 hrs. 30 min.

Validate

Solution:

(Gopal + Madhava)'s 1 hour's work =

{32}/6 + {40}/5

{16}/3 + 8

{40}/3

pages
Hence, time taken by them to type 110 pages =

{110}/{{40]/3}

{33}/4

hrs.
=

8 \hrs. 1/4 × 60 \min

= 8 hrs. 15 min.

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