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Start learning 50% faster. Sign in nowThe visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengthsfromabout390to750nm interms of angstrom it is in between 3900 - 7600 A°.
Aryan, Bhavya, and Chetan initiated a venture with initial investments of Rs. 50,000, Rs. 60,000, and Rs. 72,000 respectively. After six months, Aryan, ...
Raj saves Rs. 6000 more if he spends 55% of his income instead of 70%. Find the savings of Sanjay whose income is 25% more than that of Raj, and spends ...
In a hospital, the ratio of nurses to doctors is 5:2. 30% of nurses and 40% of doctors are working in the emergency department, and 20% of the remaining...
Two candidates, 'K' and 'L', contested in an election. 'K' received 59% of the votes and won over 'L' by 3,540 votes. How many votes did 'L' receive?
In a metro, there are as many wagons as there is the number of seats in each wagon. In one of the wagon carrying 125 persons is filled with 62 (1/2) %...
In an election between two candidates A & B 10% voters didn’t participate in voting. 700 casted votes declared invalid and the winner got 70% ...
The population of the town is 270,000 4/9th of them are males and the rest are females. 50% males and 40% females are married. Find the percentage of th...
The total population of a village is 12600. If the rate of growth of male population is 20% per year and the rate of growth of female population is 10% ...
Monthly savings of X is 66% of his monthly income which is Rs. 8000. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
A person spent 23% of his monthly income on food and 44% of the remaining on rent. If amount spent on rent is Rs 1694, then find the amount spent on food.
