Question
If 80 litres of milk solution has 60% milk in it, then
how much milk should be added to make milk 80% in the solution?Solution
ATQ, Let the quantity of water to be added be x liters. Quantity of milk in the vessel = (80/100) × (60) = 48 liters = 48 = 0.6 × (60 + x) = x = 20 ∴ The required result is 20 liters
Find the value of 'a' in the given data if the mean of the given data is 21.
15, 18, 20, 19, 22, 24, 17, a, 25, 16
Two numbers P and Q are in the respective ratio 7: 9 and their sum is 80. Then, P is equal to:
- 7643529 is divisible by which of the following numbers?
I. 3
II. 11 - 40% of 30% of 750 = x + 15, then find the sum of the squares of the digits of 'x'.
Determine the smallest 4-digit number that, when divided by 15, 24, and 30, leaves a remainder of 5 each time.
The remainder obtained when (47³ + 35³) is divided by 41 isÂ
99² +? ² = 18826
If we add 1 to the numerator and subtract 1 from the denominator a fraction becomes 1. It becomes 1/4 if we only add 7 to the denominator what is the fr...
If z = 3 – 4i, find |z²|.
- There are ten numbers. The average of the first three numbers is 11, and the average of the last five numbers is 24. If the fourth and fifth numbers averag...
