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Sound waves travel faster in water than in air due to the closer proximity of water molecules, allowing vibrations to be transmitted more quickly. However, light slows down when it passes from air into water because water has a higher optical density than air, reducing the speed of light. This phenomenon is crucial in various optical applications, including lenses and prisms.
The sum of the squares of two numbers is 250, and the difference between the two numbers is 4. Find the absolute difference between the cubes of these t...
This question is based on the following 3-digit numbers:
543, 769, 552, 342, 245
(Example: 697 – First digit = 6, second digit = 9, and ...
The sum of two numbers is 60 whereas the sum of their reciprocals is (20/9). Find the square of the product of the two numbers.
Determine the sum of the first 16 odd numbers.
Find the number that needs to be subtracted from 85 and 55 such that their ratio becomes 6:3.
How many whole numbers between 100 and 750 are multiples of both 18 and 24?
Sum of the three numbers is 180. Ratio of the first number to second number is 4:7 and the ratio of second number to third number is 7:9. Find the secon...
