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2 questions · timed · auto-graded

Question 14 Marks
Rajan runs a typing company that processes the manuscript obtained from publishing companies. There are two proceses in his work typing and typesetting. He owns a team each for the two processes. He received a manucript from a publishing company RBC. He knows that his team of 25 typists can type 225 pages in a day. Also, his team of 7 typesetters can typeset 90 pages in 5 days.
Q.1. If the manuscript from RBC needs 1350 pages to be typed, how many days will Rajan's team take to type it?
(a) 5 $\quad$$\quad$(b) 6 $\quad$$\quad$(c) 7 $\quad$$\quad$(d) 9
Q.2. If Rajan employs 5 more typists in his team, in how many days can the work of RBC be completed?
(a) 4$\quad$$\quad$ (b) 5 $\quad$$\quad$(c) 6$\quad$$\quad$ (d) 8
Q.3. In how many days will Rajan's team of typesetters typeset the work from RBC?
(a) 50 $\quad$$\quad$(b) 60$\quad$$\quad$ (c) 75 $\quad$$\quad$(d) 85
Q.4. If typesetting work begins only after the typing work is finished, what is the least number of days Rajan needs to get the work from RBC done by his existing team of 30 typists and 7 typesetters?
(a) 75 $\quad$$\quad$(b) 80 $\quad$$\quad$(c) 81 $\quad$$\quad$(d) 85
Answer
1(B)
2(B)
3(C)
4(B)
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Question 24 Marks
A compositor takes 1 hour 45 minutes to compose 24 pages of a book. How long will he take to compose 64 pages?
Answer
4 hrs 40 min
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[4 marks sum] - MATHS STD 7 Questions - Vidyadip