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Posted by ꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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Vikash Kumar 5 years, 8 months ago
꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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Sowndaryaa Lakshmi V 5 years, 8 months ago
Sowndaryaa Lakshmi V 5 years, 8 months ago
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꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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Rani Mishra ??? 5 years, 8 months ago
Posted by Sanaya Sharma ???? 5 years, 8 months ago
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Sowndaryaa Lakshmi V 5 years, 8 months ago
Aadya Singh 5 years, 8 months ago
?Chinu? Nadar 5 years, 8 months ago
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Sanaya Sharma ???? 5 years, 8 months ago
Sanaya Sharma ???? 5 years, 8 months ago
Sanaya Sharma ???? 5 years, 8 months ago
Posted by Rani Mishra ??? 5 years, 8 months ago
- 2 answers
Yogita Ingle 5 years, 8 months ago
Let the piece of cloth is x metre and it costs Rs.y/metre. Then by the given conditions -
∴, xy=200 -------------(1) and
(x+5)(y-2)=200
or, xy+5y-2x-10=200
or, 200+5y-2x-10=200
or, 5y-2x-10=0
or, 5y=2x+10
or, y=(2x+10)/5
Putting in (1),
x(2x+10)/5=200
or, x(2x+10)=200×5
or, 2x²+10x=1000
or, x²+5x-500=0
or, x²+25x-20x-500=0
or, x(x+25)-20(x+25)=0
or, (x+25)(x-20)=0
either, x+25=0
or, x=-25
or, x-20=0
or, x=20
Since the length of the cloth can not be negative,
∴, x=20 metre
Putting in (1),
20y=200
or, y=10
∴, the cloth is 20 m long and the original rate is Rs. 10/metre.
Posted by Kashish Sarsir 5 years, 8 months ago
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Posted by ꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
- 65 answers
Sowndaryaa Lakshmi V 5 years, 8 months ago
꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
Sowndaryaa Lakshmi V 5 years, 8 months ago
꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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Saanvi Saksena 5 years, 8 months ago
꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
Miss ❤❤Zainab. 5 years, 8 months ago
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꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
Posted by Srujana Rajavarapu 5 years, 8 months ago
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Posted by ꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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Saanvi Saksena 5 years, 8 months ago
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Posted by Śěřãj The Cute? 5 years, 8 months ago
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꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
Posted by Shivani Yadav 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
Let son's age be x.
Son's age after 5 years.
x + 5
So,
According to given condition ,
Jacobs age = 3(x+5) = 3x+15
His present age = 3x +15 - 5
= 3x+10 ....................... (1)
Five years ago....
Son's age = x - 5
According to the given condition,
Jacobs age = 7(x - 5)
Jacobs age = 7x - 35
His present age = 7x - 35 + 5 = 7x - 30 . . . . . . . .. . . . . . (2)
from(1) and (2)
3x + 10 = 7x - 30
10 + 30 = 7x - 3x
40 = 4x
{tex}x = \frac{40}{4}{/tex}
x = 10
So,
His sons present age is 10years.
Present age of Jacob=
3x + 10 ...............................from(1)
3(10)+10 = 30 + 10 = 40years.
?Chinu? Nadar 5 years, 8 months ago
Posted by Sowndaryaa Lakshmi V 5 years, 8 months ago
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꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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꧁༺★King K. Tyagi Ji}★༺꧂ ??? 5 years, 8 months ago
Posted by ꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago
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Priyanshi Dwivedi 5 years, 8 months ago
Posted by English Academy Guys 5 years, 8 months ago
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Sowndaryaa Lakshmi V 5 years, 8 months ago
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Sowndaryaa Lakshmi V 5 years, 8 months ago
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Posted by English Academy Guys 5 years, 8 months ago
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?Chinu? Nadar 5 years, 8 months ago
꧁༒☬Sowndu☬༒꧂???꧁༒????༒꧂ ??? 5 years, 8 months ago

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Kumkum Sarswat 5 years, 8 months ago
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