Question
A man donated 9%, 20% 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. 3450, then find the income of man.Solution
Let the income of the man be Rs. x Therefore, sum donated to NGO βAβ = Rs. 0.9x Sum left with NGO βAβ = 0.25 Γ 0.9x = Rs. 0.0225x Sum donated to NGO βBβ = Rs. 0.20x Sum left with NGO βBβ = 0.2 Γ 0.20x = Rs. 0.04x 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, 0.0225x + 0.04x + 0.11x = 3450 Or, 0.1725x = 3450 Or, x = 3450/0.1725 = 20000 Therefore, income of man = Rs. 20000
Which country is ranked number 1 in ICC Menβs Test and T20 Team Rankings 2023?
Under Indiaβs G20 Presidency, Science 20 Engagement Group meeting was conducted in which area?
Which company has got the telecom license in India in May 2023?
In May 2023, India has provided a one-billion-dollar credit line to which country for essential imports?
India has signed an MoU with which country for industrial research and development cooperation in May 2023?
Manobala passed away at 69 due to illnesses, he was associated with which industry?
Which metro service in India has introduced paper tickets with QR codes in May 2023?
Who jointly launched the 'Study in India Portal'?
Which Indian athlete has created a national record in the men's triple jump event held in Havana, Cuba in May 2023?
In May 2023, Ministry of Culture and MyGov have launched a singing talent hunt by which name?Β