Question
A man donated 13%, 14% and 22% of his income to three
NGOs βAβ, βBβ and βCβ, respectively. They spent 75%, 80% and 50% of respective sums received by them. If total sum left with three NGOs is Rs. 1705, then find the income of man.Solution
Let the income of the man be Rs. x Therefore, sum donated to NGO βAβ = Rs. 0.13x Sum left with NGO βAβ = 0.25 Γ 0.13x = Rs. 0.0325x Sum donated to NGO βBβ = Rs. 0.14x Sum left with NGO βBβ = 0.2 Γ 0.14x = Rs. 0.028x Sum donated to NGO βCβ = Rs. 0.22x Sum left with NGO βCβ = 0.5 Γ 0.22x = Rs. 0.11x According to the question, 0.0325x + 0.028x + 0.11x = 1705 Or, 0.1705x = 1705 Or, x = 1705/0.1705 = 10000 Therefore, income of man = Rs. 10000
Which LinkedIn feature allows users to publish long-form professional content?
Β Which of these is an example of freeware?
Who developed the ‘analytical engine’?
Which of the followings is responsible to provide power supply to motherboard?
Which of the following is an input device?
What is a Firewall in Computer Network?Β
Which toggle key is used to enter numbers using the numeric keypad?
What kind of server converts IP addresses to domain names?
In a spreadsheet, a _________ is a number you will use in a calculator.
Total number of function keys in computer keyboard?