1. 1. 3
men or 5 women do a job in 12 days. Then how many days will it take for 5 men
and 5 women to do the same job together?
(3 à´ªുà´°ുà´·à´¨്à´®ാà´°ോ 5 à´¸്à´¤്à´°ീà´•à´³ോ à´’à´°ു à´œോà´²ി 12 à´¦ിവസം à´•ൊà´£്à´Ÿ് à´šെà´¯്à´¯ുà´¨്à´¨ു. à´Žà´™്à´•ിൽ 5 à´ªുà´°ുഷൻ à´®ാà´°ും à´…à´ž്à´š് à´¸്à´¤്à´°ീà´•à´³ും à´’à´°ുà´®ിà´š്à´š് ഇതേ à´œോà´²ി à´Žà´¤്à´° à´¦ിവസം à´•ൊ0à´£്à´Ÿ് à´šെà´¯്à´¤ു à´¤ീർക്à´•ും)
a.
4
b.
5
c.
12
d.
9
Ans: a
Explanation
|
Male |
Female |
Job |
|
3
(a) |
5
(b) |
12
(c) |
|
6
(d) |
5
(e) |
? |
a*b*c
(a*e)+(d*b)
3*5*12 180
---------------- = ------- =
4
(3*5)+(6*5) 45
2. 2. 3
Women or 6 Children do a job in 20 days. Then how many days will it take for 6
Women and 8 Children to do the same job together?
(3 à´¸്à´¤്à´°ീà´•à´³ോ 6 à´•ുà´Ÿ്à´Ÿിà´•à´³ോ à´’à´°ു à´œോà´²ി 20 à´¦ിവസത്à´¤ിà´¨ുà´³്à´³ിൽ à´šെà´¯്à´¯ുà´¨്à´¨ു.
à´Žà´™്à´•ിൽ à´…à´¤െ à´œോà´²ി
6 à´¸്à´¤്à´°ീà´•à´³ും 8 à´•ുà´Ÿ്à´Ÿിà´•à´³ും à´’à´°ുà´®ിà´š്à´š് à´šെà´¯്à´¯ാൻ à´Žà´¤്à´° à´¦ിവസം à´Žà´Ÿുà´•്à´•ും?
a.
7
b.
9
c.
12
d.
6
Ans: d
Explanation
|
Women |
Children |
Job |
|
3
(a) |
6
(b) |
20(c) |
|
6
(d) |
8
(e) |
? |
a*b*c
(a*e)+(d*b)
3*6*20 360 360
---------------- = ------- =
------- = 6
(3*8)+(6*6)
24+36 60
3. If a man buy 2 lemons for Rs 1
and sell 4 lemons for Rs 3. Find Profit or loss percentage? (1 à´°ൂപയ്à´•്à´•് 2 à´¨ാà´°à´™്à´™ à´µാà´™്à´™ി 3 à´°ൂപയ്à´•്à´•് 4 à´¨ാà´°à´™്à´™ à´µിà´±്à´±ാൽ à´²ാà´à´®ോ നഷ്à´Ÿà´®ോ ? ശതമാà´¨ം à´Žà´¤്à´°? 1 à´°ൂപയ്à´•്à´•് 2 à´¨ാà´°à´™്à´™ à´µാà´™്à´™ി 3 à´°ൂപയ്à´•്à´•് 4 à´¨ാà´°à´™്à´™ à´µിà´±്à´±ാൽ à´²ാà´à´®ോ നഷ്à´Ÿà´®ോ ? ശതമാà´¨ം à´Žà´¤്à´°?)
a. 50% loss
b. 50% gain
c. 25% loss
d. 25% gain
Ans: b
Explanation
|
Number(à´Žà´£്à´£ം) |
Rupees(à´ªൈà´¸) |
|
2
(a) |
1
(b) |
|
4
(d) |
3
(e) |
d*b
-------------- ----------
4*1 4
if the result is positive then
it indicate the profit percentage and the result is negative it shows the loss
percentage
here the result is
positive
so the profit percentage is 50
