For the following questions answer them individually
Anil and Karan together can do a work in 20 days. Karan and Himanshu together can do the same work in 25 days. Himanshu and Anil together can do the same work in 50 days. In how many days can Himanshu alone do the same work?
Aman goes to his office by car at the speed of 80 km/hr and reaches 10 minutes earlier. If he goes at the speed 30 km/hr, then he reaches 10 minutes late. What will be the speed of the car to reach on time?
An article is sold for Rs. 4400 at a loss of 20 percent. What is the cost price of the article?
A person bought an article and sold it at a loss of 10 percent. If he had bought for 30 percent less price and sold it for Rs. 10 more then he would earn a profit of 40 percent. What is the cost price of the article?
The value of a car depreciates at the rate of 50 percent per annum. If its present value is Rs. 75000, then what was the value of the car 3 years ago?
T alone can complete a work in 90 days. 20 percent of the same work will be completed by T in how many days?
The cost of diamond is directly proportional to the square of its weight. The cost of diamond is Rs. 87880. It break into two pieces whose weigh are in the ratio of 5 : 8. What is the loss incurred because of the breakage?