If (11a² + 13b²) (11c² – 13d²) = (11a² – 13b²)(11c² + 13d²), prove that a : b :: c : d.
Solution:
If (a + 3b + 2c + 6d) (a – 3b – 2c + 6d) = (a + 3b – 2c – 6d) (a – 3b + 2c – 6d), prove that a : b :: c : d.
Solution:
More Solutions:
- A ratio equivalent to the ratio (2/3) : (5/7).
- If x, 12, 8, and 32 are in proportion, then the value of x is
- The third proportional to 6(1/4) and 5 is
- Find the compound ratio of: (a + b)2 : (a – b )2.
- If a : b = 3 : 5, find (3a + 5b) : (7a – 2b).
- The ratio of the pocket money saved by Lokesh and his sister is 5 : 6.
- Number must be added to each of the numbers 15, 17, 34 and 38.