For the following questions answer them individually
A trader offers an 8% discount on all his goods and still make a 15% profit. If an item is marked with a price of ₹250, the cost price is:
In the given figure three circles, each of radius 3.5 cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is: (Up to two decimal places)(Use $$\pi = \frac{22}{7}$$)
What should be added to the each numbers 9, 22, 14, and 32 so that the obtained numbers are proportional?
The average of 29 observations is 40. If the average of the first 15 observations is 38, and that of the last 15 observations is 45, then the $$15^{th}$$ observation is:
Ramesh and Naresh start running at speeds of 26 km/h and 18 km/h respectively towards each other, they meet after one hour and 45 minutes. How far (in metres) were they from each other when they started running?
The marked price of an item was Rs. 4000 but the shopkeeper offered a double discount of 5 percent and 7 percent. In how much did he finally sell the item?
By compounding annually, the compound interest on a sum of Rs.4,900 in 2 years is Rs.725. What is the rate of interest per annum?
A can do a piece of work in 51 days and B can do the same work in 34 days. Find the time required to complete the same work if they work on alternate days and A starts the work.
Ravi and Sumant can complete a piece of work in 40 and 50 days, respectively. If they work at it on alternate days starting with Ravi on the first day, in how many days will the work get over?
A shopkeeper sells rice. He buys it at a rate 15% less than the selling price. His total sales value for a month is Rs.5,50,000 and he pays Rs.8,000 as rent of the shop at the start of the month. His profit percentage in the month is ________.