Question
Light falling on colloidal particles leads to scattering
of light. This phenomena is called:Solution
The correct answer is D
A’s age is 150% of what he was 3 years ago, But 75% of what it will be after 3 years. What is his present age?
Present age of ‘R’ is 75% more than that of ‘S’. 5 years ago, ‘R’ was 2.5 times as old as ‘S’. What is the present age of ‘S’?
...‘A’ is 7 years younger than ‘B’ and 6 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 35 years and 24 years, respectively...
Three years ago, the ratio of ages of ‘Ravi’ and his sister was 3:4. Three years from now, the ratio of ages of Ravi and his mother will be 2:5. In ...
The ratio of the present ages of Ginni and Binni is 9:4 respectively. Ginni is ‘n’ years older than Binni. If after 5 years, the ratio of the ages o...
The present age ratio of Arjun to Virat is 2:z. In 6 years from now, their total ages will be 42 years. Eight years ago, Rahul wa...
The current ages of A, B, and C are in the ratio of 4:5:6. Additionally, D's current age is 10 years more than the average age of A, B, and C. The total...
- The combined age of A and B is 70 years. The current age ratio of A to C is 9:10. Additionally, the average age of A, B, and C is given as 30 years. What i...
B is 2 years older than A and A is 5 years older than C. If the sum of the age of A and C is 25 years, then find the sum of the ages of all three.Â
Ratio of present ages of A and B is 11:10, respectively. C who is 5 years older than A will become 50 years older after 12 years. Find the present age o...
Relevant for Exams:
