A mixture contains 50% water and rest milk. 30 litres from the mixture is replaced with same quantity of milk. If the ratio of quantity of milk to that of water in the resultant mixture is 7:4, then find the initial quantity of the mixture.
Since, the 30 litres is withdrawn from the total mixture, it won't affect the ratio of milk to water in the mixture. Let the initial quantity of water in the mixture after withdrawing 30 litres be '4x' litres So, total quantity of mixture after withdrawing 30 litres = 4x ÷ 0.5 = '8x' litres And quantity of milk in the mixture after withdrawing 30 litres = 8x - 4x = '4x' litres ATQ; {(4x + 30)/4x} = (7/4) Or, 4x + 30 = 7x So, x = 10 So, total quantity of mixture after withdrawing 30 litres = 8 × 10 = 80 litres So, initial quantity of mixture = 80 + 30 = 110 litres
What is the difference between the number of 1 BHK flats in apartment Q and the number of 2 BHK flats in apartment S?
If the student of class III gets 20% less chocolates, then find the number of chocolates distributed to the students.
Number of people living in apartment C is by how much percent more than the number of people living in apartment B.
If Rs. P is invested for T years at 20% interest compounded annually. Interest earned is 10560. The difference of principal and interest is 56% of princ...
Total number of tulip flowers from departments B and D together is how much more or less than total number of lily flowers from departments A and C toge...
What is the maximum value of a given item per kg out of the given years of the given table: -
If 25% of i3 processor laptops are having window 7 in Computer World and remaining laptops are not having Window 7, what is the number of i3 processor l...
Find the difference between the number of Oranges sold by E and number of Apples sold by B.
Study the given graph and answer the question that follows.
Â...
Find average number of students participated in sports A, B and D together in 2011.
