What should come in place of the question mark (?) in the following number series ?
A started a business investing Rs 45,000. after sometimes B joined the business investing Rs.30,000. At the end of year, the profit was distributed in the ratio of 2:1. When did B join the business?
Mr. Gangadhar,Mr Ramesh abd Mr. Shridhar together earned Rs. !9,800. The ratio of earnings between Mr. Gangadhar and Mr. Ramesh is 2:1 while that between Mr. Ramesh and Mr. Shridhar is 3:2. How much did Mr. Ramesh earn ?
In a class of 60 students 40% can speak only Hindi,25% can speak only English and rest of the students can speak both the languages. total how many students can speak English ?
Meeta is two year older than sunita. After six years the sum of their ages will be seven times of their present ages. find out the age Meeta.
A sum fetches simple interest of Rs. 708.75 at the rate of 12.5 p.c.p.a. in the rate of 12.5 p.c.p.a in 10 years. what is the sum ?
A 250 m long train crosses a signal post in 18 seconds. what is the speed of the train in Km per hour ?