Q1. Man sold article A in 100% profit and article B in 20% profit. If selling price of article A and article B in same then find his overall profit percentage
Q2. Present average age of a couple is 29 years after 2 year and 4 year respectively a boy child and a girl child is born. Find the average age of family after 8 year of present time?
Q3. Satish invested Rs. 14,000 partially in scheme A which offer 20% p.a. at C.I. and remaining in scheme B which offer 25% at S.I. Find the amount invested in scheme B if total interest earns after 2 years is Rs. 6640.
Q4. A train can cross a platform of 100 m length completely in 12 seconds while covers a platform of double of its length in 21 seconds. Find the speed of the train? (in m/s)
Q5. Pipe A and pipe B together can fill the tank in 12 minutes while pipe A, pipe B and pipe C together can fill the tank in 15 minutes and Pipe B and Pipe C together can fill the tank in 30 minutes. In how many time pipe A alone can fill the tank completely. (in minutes)