Question
If x² + y² + z² = xy + yz + zy (x≠0),
then the value of (5x+3y-4z)/2x isSolution
x² + y² + z² = xy + yz + zx (x≠0) If x² + y² + z² - xy - yz - zx = 0 Then x = y = z (5x+3y-4z)/2x = (5x+3x-4x)/2x = 4x/2x = 2
How many persons are younger than P?
In a class, Arhin’s rank was 30 from the top and 48 from the bottom. If his rank became 57 from the top, then what will be his rank from the bottom?
How is T related to S? Â Â
Six persons P, V, A, S, K and R have different weights. A is heavier than only one person. V is just heavier than R, who is heavier than S. K is heavier...
Which person is the heaviest?
How many persons are shorter than T?
Select the option that is related to third letter cluster in the same way first letter-cluster and fifth-letter cluster is related to second number and ...
Six persons H, X, E, J, L and K stand in a queue according to their heights. Not more than two persons are shorter than K. L is taller than E, who is t...
 If 2 boys and 2 girls are to be arranged in a row so that the girls are not next to each other, how many possible arrangements are there?
In a row of 10 boys, when Harish was shifted by 5 places towards the left, he became the 3rd from the left end. What was his earlier position...
Relevant for Exams:
