6.
If a man can read 15 pages in 2 hours, how many pages he can read in 6 hours?
• A.
60
• C.
45
• B.
50
• D.
40
• Report
Explanation :
 Hours Pages 2 ↑ 15 6 | x
x =
 6 x 15 2
= 45 Pages
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7.
8 men and 12 children can do a work in 9 days. A child takes double the time to do a work than the man. In how many days 12 men can complete double the work?
• A.
10.5 days
• C.
21 days
• B.
16.5 days
• D.
14 days
• Report
Explanation :
1 man = 2 children
 ( A child takes double the time to do a work than a man)
8 men + 12 children = 8 + 6 men = 14 men
Given, 14 men can do a work in 9 days
12 men can do the same work in
 14 x 9 12
days
12 men can do twice the work in
 14 x 9 12
x 2 = 21 days

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8.
8 men working for 9 hours a day complete a piece of work in 20 days. In how many days can 7 men working for 10 hours a day complete the same piece of work?
•  A. 20 4 days 7
•  C. 21 3 days 7
•  B. 20 1 days 2
•  D. 20 2 days 7
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Explanation :
 Men Hours Days 8 | 9 | 20 7 ↓ 10 ↓ x
x =
 8 x 9 x 20 7 x 10
=
 144 7
= 20
 4 7
days.
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9.
A can do a work in 6 days and B in 9 day. How many days will both take together to complete the work?
• A.
7.5
• C.
3.6
• B.
3
• D.
5.4
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Explanation :

(A + B)'s 1 day work =

 1 6
+
 1 9
=
 3 + 2 18
=
 5 18

They complete the work in
 18 5
= 3.6 days
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10.
A can do � of work in 5 days. B can do 3/5 of the same work in 9 days and c can do 2/3 of that work in 8 days. In how many days can three of them together do the work?
• A.
5
• C.
4.5
• B.
4
• D.
3
• Report
Explanation :
A can do 1 work in 10 days
B can do 1 work in
 9 x 5 3
= 15 days
C can do 1 work in
 8 x 3 2
= 12 days
(A+B+C)'s 1 day work =
 1 10
+
 1 15
+
 1 12
=
 6 + 4 + 5 60
=
 15 60
=
 1 4

They complete the work in 4 days
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