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MATH BY PK SIR

MATH BY PK SIR

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Kanal postlari
MATH BY PK SIR
7/5×3/4×5/4=21/16 16________21 5/16=500/16=31.25%
7/5×3/4×5/4=21/16 16________21 5/16=500/16=31.25%

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Ratio Method : 8:9 x:y ________ 4:5 x/y=9:10 10____1kg 9_____900gm✓✓ Successive method: ______12.5%____ _____+x%___ Overall =25% So , 9/8×(1+x/100)=5/4 1+x/100=1+1/9 x=11.11%=+1/9 So quantity reduced=-1/10 10------1kg 9-------900gm✓✓
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Matn yo'q...
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P1*40% 3 ------- ==---- P2*36% 7 P1/p2=27/70 97===19400 1====200 P2==70*200=14000
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Matn yo'q...
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320. : 400. = 4. : 5 9===108 4===48 5====60 320*3-48*2. : 400*3-60*2 : 108*2 864. :1080 : 108*2 8. :10:2 4: 5 : 1=10 10u==51840 4==>20736=a 5==>25920=b 1===>5184=c
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Matn yo'q...
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21×12-8×3 ]×½ 12×12-7×2 ]×½ 12×4 ]×½ 114:65:24 Req=126875×⅘×65/203 =32500 ans
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A. B. C 7*4+6*8. 4*5+10/3*7. 4*4 114---------65-------------24 203*80%=162.4 162.4*65/203=52 203=126875 52=32500✓✓
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900/1000_______1200/1000 3__________4 1/3=33.33%✓✓
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100x_______+20%_______120x 100x-600___+30%___120x-400 (3/10)×100x-600=120x-400-100x+600 30x-180=20x+200 10x=380 120x=4560✓✓
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Matn yo'q...
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Apke jo hard question h unko solve Kiya jayga yah dala jayga I'mp questions
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28.5*5/6=23.75 5,4 lcm=20 5=1 20=4 4=1 60=15 60+20)*3/4=60 Total c.p of 60 fresh =19 19=60 23.75=75
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?
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cp : sp = 3 : 4 = 6 : 8 p : d = 2 : 1 Req: 1/3 - 1/9 = 3 -1/9 = 22.22% ans
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Matn yo'q...
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Put x=1 & y=-1 2=2[(2)A-B] 2A-B=1✓✓
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