Question
A jar contains a mixture of milk and water in the ratio
2:3, respectively. If 3-litres of the mixture is taken out, then the quantity of water left in the mixture will be 60 litres. Find the original quantity of the mixture in the jar.Solution
Total quantity of mixture after removing 3-litres = 60 × (5/3) = 100 litres So, original quantity of the mixture = 100 + 3 = 103 litres
A number is initially increased by 37.5% and then reduced by 40%. The final value obtained after these changes is 6,270. Determine 80% of the original n...
How many whole numbers between 100 and 750 are multiples of both 18 and 24?
The value of
What is the remainder when 7³⁵ is divided by 5?
What is the value of 1² + 3² + 5² + 7² + 9² ................ 19²?
A student was required to calculate 9/20 of a number, but by mistake he calculated 11/20 of it. His answer exceeded the correct one by 65. Find the number.
The smallest number 'Z' which when divided by 16, 24, and 48 leaves 3 as the remainder in each case. Find the value of ('4Z' + 7).
One-fourth of a number is 70. What will 40% of that number?
...Find the average of the cubes of the first 7 natural numbers.
