Question
Aman spends 30% of his income, monthly income, on fuel.
40% in basic needs and 20% of the remaining in education. He saves the rest of them all in a recurring deposit which gives out simple interest at the rate of 15% per annum. Find the amount. Aman will get at the end of year if his spending on education is rupees 1500 per month.Solution
Let monthly income equal to Rupees 100 X. Spending on fuel = 100x* 0.3 = 30x Spending on basic needs = 100x*0.4 = 40x Spending on education = (100x-30x-40x) 0.2 = 6x 6x= 1200 Saving = 24x 24x = 4800 Total interest by recurring scheme. = 4800*(15/100)*(12*13/2)/12 =Rs. 4680 Amount = 4800*12+4680 = Rs. 62280
Two pipes P and Q can fill a tank in 48 minutes and 64 minutes respectively. If both the pipes are opened simultaneously, after how much time Q should b...
Pipe ‘A’ can fill a tank in 25 hours while pipe ‘B’ takes 30 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
Pipe A can fill the empty tank in 25 minutes while pipe B can empty the half-filled same tank in 15 minutes. What is the time require to fill (80/3) % o...
Pipe ‘A’ and pipe ‘B’, together can fill 32% of a tank in 8 hours while pipe ‘C’ takes 35 hours to empty it. ...
Pipe A fills a tank in 24 hours. Pipe A and B together fill it in 8 hours. Pipe B and C together also fill it in 8 hours. Find the time taken by A, B an...
Two pipes A and B can fill a tank in 12 hours  and 15 hours  respectively. A third pipe C can empty the full tank in 20 hours . If all three pip...
Pipe A fills a tank in 12 h; Pipe B in 15 h; Pipe C empties it in 10 h. All three opened together. After x hours, C is closed and tank gets full in 2 mo...
Pipe A and pipe B can fill the empty tank in 20 hours and 24 hours, respectively whereas pipe C can empty the full tank ‘x’ hours. Find the value of...
Pipe 'X' is capable of emptying a tank in 15 hours. When Pipe 'Y', which adds 2.4 liters of water per hour, is also used, it takes 25 hours to empty the...
Pipes 'X' and 'Y' together can fill a tank in 30 minutes, while Pipe 'X' alone can fill the tank in 50 minutes. Another pipe 'Z' can empty the fully fil...
