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The acid in the solution = 62.5% of x (5/8) x The water in the solution = (3/8)x According to the question [(5x/8) + 12]/(3x/8) = 13/7 [5x + 96]/3x = 13/7 35x + 672 = 39x 672 = 39x - 35x 672 = 4x x = 168 liter
The average age of 6 sisters is 30 yr. If the age of the youngest sister be 5 yr. What was the average age of the group of sister just before the birth ...
The current ages of Anoop and Bhuvan are in the ratio of 5:8. In 8 years, Bhuvan's age will be 60% greater than Anoop's age in 5 years. Determine the cu...
The average daily income of 7 men, 11 women and 2 boys is Rs.257.50. If the average daily income of the men is Rs.10 more than that of women and the ave...
The average wage of a group of 49 labourers is Rs. 650. If 4 persons receiving average wage of Rs. 500 leave the group and 2 persons receiving average w...
A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit shar...
The average of 18 numbers is 75. The average of the first nine numbers and the last six numbers is 62.5 and 82.5, respectively. T...
Average age of a class of 41 students is 17 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
The average age of three children is 21 years. If their ages are in the ratio 3:5:6. Find the age of the youngest child.
What is the average of the squares of the first 35 natural numbers?
