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CBSE Class 12-science Answered

Please solve the below question
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Asked by akshitaasia | 02 Jan, 2018, 06:59: PM
answered-by-expert Expert Answer
begin mathsize 16px style let space straight x space men space and space straight y space women space are space there so space straight x plus straight y equals 1440 fraction numerator 18.75 over denominator 100 end fraction straight x plus fraction numerator 22.5 over denominator 100 end fraction straight y equals 20 over 100 cross times 1440 equals 288 in space matrix space format open square brackets table row 1 1 row cell fraction numerator 18.75 over denominator 100 end fraction end cell cell fraction numerator 22.5 over denominator 100 end fraction end cell end table close square brackets open square brackets table row straight x row straight y end table close square brackets equals open square brackets table row 1440 row 288 end table close square brackets solve end style
Answered by Arun | 04 Jan, 2018, 07:42: PM

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CBSE 12-science - Maths
X+y+4z=6 X+2y-2z=6 λx+y+z=6  How do you find the value of λ?
Asked by tejaswinimogal12 | 26 Sep, 2023, 08:17: AM
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CBSE 12-science - Maths
solve it
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Asked by sdmbotch1123 | 23 Sep, 2023, 06:51: PM
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CBSE 12-science - Maths
solve it.
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Asked by sdmbotch1123 | 19 Sep, 2023, 01:53: PM
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CBSE 12-science - Maths
solve it
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Asked by sdmbotch1123 | 19 Sep, 2023, 01:53: PM
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CBSE 12-science - Maths
six balls commence tolling together and toll at intervals of 2,4,6,8,10,12 seconds respectively. in 30 minutes how many times do they toll together.
Asked by gn1221007.19 | 18 Sep, 2023, 12:22: AM
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CBSE 12-science - Maths
find the particular solution
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Asked by pranavmishra1108 | 17 Sep, 2023, 11:12: AM
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CBSE 12-science - Maths
Solve please 
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Asked by sonkarmukesh007 | 13 Aug, 2023, 08:32: PM
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CBSE 12-science - Maths
Two dealers P and Q sell three items viz . , notebooks , pencils and erasers . In the month of April , the dealer P sells 250 notebooks , 400 pencils and 300 erasers , whereas the dealer Q sells 350 notebooks , 500 pencils and 470 erasers . In the month of may the dealer P sells 380 notebooks , 440 pencils and 360 erasers , whereas the dealer Q sells 450 notebooks , 520 pencils and 420 erasers.Using matrices represent The combined sale of two months for each dealer in each item ? ( i ) ( ii ) The change in sales from April to may for each dealer in each item ?
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Asked by sanjuchoudhury8600 | 06 Jul, 2023, 04:23: AM
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CBSE 12-science - Maths
 If B is coded =4 and D is coded 8 , E is coded 10 then what will be code of J
Asked by iamujjy | 21 May, 2023, 04:55: PM
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CBSE 12-science - Maths
solve it
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Asked by divyanshusinghchauhan58 | 16 May, 2023, 08:45: AM
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