Advertisements
Advertisements
प्रश्न
In a mixture of 126 kg of milk and water, milk and water are in ratio 5 : 2. How much water must be added to the mixture to make this ratio 3 : 2?
Advertisements
उत्तर
Let x signify water in original mixture and y signifies milk
x + y = 126
5x = 2y
or x = `y/2.5`
`y + (y/2.5) = 126`
y = 90 kgs (milk)
x = 36 kgs (water)
Milk remains same as 90 kgs
ratio is 3 : 2
let new water content be z
3z = 2 × 90
Water quantity new = 60 kgs
Extra water added = 24 kgs
संबंधित प्रश्न
Divide Rs. 1290 in to A, B and C such that A is `2/5` of B and B : C = 4 : 3.
Find the triplicate ratio of the following :
`2 sqrt 5 : 5 sqrt 2`
State true or false :
A ratio equivalent to 7 : 9 is 27 : 21.
Which of the following numbers are in continued proportion:
12, 18 and 27
Find the ratio of the first quantity to the second.
40 rupees, 120 rupees
Shubham’s age today is 12 years and his father’s is 42 years. Shubham’s mother is younger than his father by 6 years. Find the ratio of Shubham’s mother’s age today to his father’s age today.
Ratio of 75 paise to ₹ 2 = _____________
A ratio will always be more than 1.
Which pair of ratios are equal? And why?
`8/4, 2/1`
In a college, out of 4320 students, 2300 are girls. Find the ratio of number of girls to the total number of students.
