Advertisements
Advertisements
प्रश्न
A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 84 kg?
Advertisements
उत्तर
Let the reduced weight be x.
Original weight = 84kg
Thus, we have
84 : x = 7 : 5
⇒ `84/"x" = 7/5`
⇒ 84 x 5 = 7 x x
⇒ x = `(84 xx 5)/7`
⇒ x = 60
Thus, her reduced weight is 60 kg.
संबंधित प्रश्न
If 2a = 3b and 4b = 5c, find: a : c.
Find duplicate ratio of 3 : 4
Find the duplicate ratio of the following :
`sqrt 10 : sqrt 14`
Find the duplicate ratio of the following :
`3 sqrt (2"a") : 2 sqrt (3"a")`
The monthly salary of a person is Rs. 12,000 and his monthly expenditure is Rs 8,500. Find the ratio of his:
(i) salary to expenditure
(ii) expenditure to savings
(ii) savings to salary
Find the fourth proportional of 3, 12 and 4
Find the second term of the proportion whose first, third, and fourth terms are 9, 8, and 24 respectively.
Write the following ratio in the simplest form:
4 kg : 2 kg 500 g
Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of men to that of women.
Given below is a Mathematical term.
Find the ratio of consonants to vowels in the term.
