PARK CLEANING:- Inspired by the “Swachh Bharat mission”, Priya and her friends Sunita, Kavya and Hema decided to clean their society park. Her friends clean 2/5, 1/3 and 1/4 part of the park respectively. Using this data answer the following questions 19 & 20.How much part of the park will be left for Priya to clean? *
2 points
( a ) 1/60
( b ) 29/60
( c ) 10/20
( d ) none of these
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Answers
Answer:
(d) none of these
Step-by-step explanation:
First, we have to convert 2/5, 1/3 and 1/4 into like fractions.
So, we take the L.C.M of 5, 3 and 4 which is 60.
So, we can write 2/5, 1/3 and 1/4 as 12/60, 20/60 and 15/60 respectively.
12/60 + 20/60 + 15/60 = (12 + 20 + 15)/60
= 47/60
If we subtract 47/60 from the whole park we get
1 - 47/60 = 1/1 - 47/60
= 60/60 - 47 /60
= 3/60
= 1/20
As there is no option which says 3/60 or 1/20, (d) is the correct opion
Please make me brainliest.
Given : Inspired by the “Swachh Bharat mission”, Priya and her friends Sunita, Kavya and Hema decided to clean their society park. Her friends clean 2/5, 1/3 and 1/4 part of the park respectively
To Find : How much part of the park will be left for Priya to clean? *
( a ) 1/60
( b ) 29/60
( c ) 10/20
( d ) none of these
Solution:
Sunita = 2/5
Kavya = 1/3
Hema = 1/4
Rest = Priya
Let say total work = 60x
Sunita = (2/5)60x = 24x
Kavya = (1/3) 60x = 20x
Hema = (1/4)60x = 15x
Priya = 60x - (24x + 20x + 15x) = x
part of the park will be left for Priya = x/60x = 1/60
option a) is correct
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