For the following questions answer them individually
Ananya and Anjali started a business by investing money in the ratio 3:4 respectively. After some months Aditi joined the business by investing half the amount as Ananya. What percentage of the total profit will Aditi earn?
If I walk at 4 km/h, I miss the bus by 10 min. If I walk at 5 km/h, I reach 5 min before the arrival of the bus. How far I walk to reach the bus stand?
The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance travelled down steam in 12 minutes is:
6 men finish one-fourth work in 2 days. The number of additional men required for finishing the same work in 2 days is
A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank?
A dishonest milkman plans to adulterate milk by adding water. If water is freely available, how many liters of water should he add to 5 liters of milk, so that, by selling the milk at cost price, he makes a profit of 20%?
Rita's present age is four times her daughter's present age and two-thirds of her mother's present age. The total of the present ages of all of them is 154 years. What is the difference between Rita's and her mohter's present age?
On combining two groups of students having 30 and 40 average marks respectively in an exam, the resultant group has an average score of 34. Find the ratio of the number of students in the first group to the number of students in the second group.