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a string of pearls such that 1/3 is lost and of that 1/4th is missing, remaining is 20 then actual number of pearls? ans. 40

a string of pearls such that 1/3 is lost and of that 1/4th is missing, remaining is 20 then actual number of pearls?
ans. 40

Grade:11

4 Answers

Pankaj Ghildiyal
16 Points
10 years ago

answer is 48 not 40......... 16 are lost and 12 are missing.....

Sudheesh Singanamalla
114 Points
10 years ago

Let total Number of pearls be x

number of pearls lost = x/3

number of pearls missing = x/4

remaining = 20

==>  x = x/3 + x/4 + 20

==> x = (4x+3x)/12 + 20

==> x = (7x + 240) / 12

==> 12x = 7x + 240

==> 5x = 240

==> x = 240/5 = 48 !!

 

therefore total number of pearls originally is 48 !

jyoti jadhav
18 Points
9 years ago
Aneep Agrawal
11 Points
3 years ago
I think answer is 40 
As it is given that 1/3 is lost and  so remaining perl in string is 2/3 and of that ¼ is missing so
we have           
x/3-2x/3*1/4=20
now we have 
x/3-2x/12=20,
x=40

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