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5. So we know product of extreme =product of mean
7,6,49,36
7×36=6×49
252=/=294
HENCE, THEY ARE NOT PROPORTION
6. Price of 15 article=Rs 550
price of 1 article =550/15
". ". ". = Rs 37
Price of 35 article =35×37
". ". ". = Rs 1295
HENCE THE PRICE OF 35 ARTICLES = Rs 1295
7. Let the ratio of present age of Rohan and Divya by 4x , 3x
After 6 years age of Divya = 4x +6
After 6 years age of Rohan =3x+6
•A/Q.
4x+6/3x+6 = 6/5
By cross multiplication
5(4x+6) = 6(3x+6)
20x+30 = 18x +36
20x-18x = 36-30
2x = 6
x =6/2
x =3
PRESENT AGE OF ROHAN=4x = 4×3 = 12 years
PRESENT AGE OF DIVYA=3x =3×3 = 9years
*_HOPE IT WILL HELP YOU_*
****THANKUu****
5. So we know product of extreme =product of mean
7,6,49,36
7×36=6×49
252=/=294
HENCE, THEY ARE NOT PROPORTION
6. Price of 15 article=Rs 550
price of 1 article =550/15
". ". ". = Rs 37
Price of 35 article =35×37
". ". ". = Rs 1295
HENCE THE PRICE OF 35 ARTICLES = Rs 1295
7. Let the ratio of present age of Rohan and Divya by 4x , 3x
After 6 years age of Divya = 4x +6
After 6 years age of Rohan =3x+6
•A/Q.
4x+6/3x+6 = 6/5
By cross multiplication
5(4x+6) = 6(3x+6)
20x+30 = 18x +36
20x-18x = 36-30
2x = 6
x =6/2
x =3
PRESENT AGE OF ROHAN=4x = 4×3 = 12 years
PRESENT AGE OF DIVYA=3x =3×3 = 9years
*_HOPE IT WILL HELP YOU_*
****THANKUu****
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