Question
Three numbers are in the ratio 3:5:6. If the sum of
their squares is 630, then the numbers are:Solution
Let the numbers be 3x, 5x and 6x respectively. ⇒ (3x)2 + (5x)2 + (6x)2 = 630 ⇒ 9x2 + 25x2 + 36x2 = 630 ⇒ 70x2 = 630 ⇒ x2 = 9 ⇒ x = 3 ∴ Numbers are 9, 15 and 18.
What is the function of a camshaft in an internal combustion engine?
What is the main difference between a four-stroke engine and a two-stroke engine in terms of cycle completion?
When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as
Which of the following weed causes Dropsy disease in humans?
The pest which attack both in field and storage of pulses is–
Which of the following statements accurately describe biofortification?
A. Biofortification primarily focuses on enhancing nutrient levels in ...
Fruit and shoot borer is an important pest of;
Jute is an example of___ crop.Â
What is the main function of a fuel injector in a diesel engine?
What causes the blackening of rose petals?
