Question
An experiment involves the manipulation of a(n)
_________ variable.Solution
An experiment involves the manipulation of an independent variable (cause) and the measurement of its effect on the dependent variable (effect) under controlled conditions.
"Amit and Bishnu's current ages are in the ratio 4:5. Chintu's age is 40% more than Amit's age. If Bishnu and Chintu's ages sum up to 106 years, what is...
The ratio of the age of X after 4 years to the age of Y after 6 years is 3:2. The sum of the ages of Y and Z after 10 years is 72 years. The age of Z be...
The age of person X (x + 1) years ago and the age of person Y (x + 2) years from now are in the ratio 1:2.
Additionally, it is given that:
X i...At a family event, the present ages of Mira and Junaid are in the ratio of 2:5. Moreover, Imran is 7 years younger than Mira. Twelve years ago, Imran's ...
A and B are currently in the ratio 7:3. The ratio of A after 4 years to B 2 years back is 3:1. C’s present age is 40% less than (A+B) now. Determine C...
The ratio of A and B present age is 9:4. The product of their ages is 3600. What will be the ratio of their ages after 5 years?
The average of the current ages of Ram and his father is 44 years. In six years, Ram's age will be half of his father's age four years ago. What is the ...
- The age of Kiran 4 years ago was 10% more than the present age of Deepa. 4 years hence, the ratio of their ages will be 5:4. Find the difference between th...
Ratio of ages of A and B, after 10 years will be 9:5, respectively. Present average age of A, B and C is 22 years. If present age of C is 50% more than ...
Present ages of 'A' and 'B' are in the ratio 3:5, respectively. If B's age, 8 years hence from now will be 3 times of A's age, 12 years ago from now, th...