For the following questions answer them individually
In a circular race of 5000 m, starting from the same point, the speeds of two contestants A and B are 36 km/h and 54 km/h, respectively. The difference between the time taken (in seconds) to meet for the first time when they are running in the opposite directions and when they are running in the same direction?
Determine the fourth proportional to 11.6 m, 9.2 m, 32.8 m. (Consider up to two decimals)
A shopkeeper offers three successive discounts of 15%, 30% and 4% on an article. If the article is marked at ₹1,950, what is its selling price (in ₹, rounded off to the nearest tens)?
The diameter of a hemisphere is 6 cm. The ratio of the magnitudes of its curved surface area to the total surface area is:
Find the compound interest on ₹3,00,000, compounded half-yearly, for $$2\frac{1}{2}$$ years at the rate of 20% per annum.
A, B and C run on a circular track. Time taken by A, B, and C to complete one round are 6 min, 8 min and 3 min respectively. If they start together at 5 p.m., then at what time will they meet again at the starting point?
Afzal's monthly income is Rs.35,000. He spends 20% of his monthly income on food, 30% on clothes, and 15% on rent. How much money does Afzal save monthly?
Priya allows 5 percent discount on the marked price of her goods and still earns a profit of 18 percent. What is the cost price of an item, if its marked price is Rs. 944?
The average of sales of an electronics shop in the years 2001, 2002, 2003 and 2004 is 1850, and that for the years 2002, 2003, 2004 and 2005 is 2125. If the sales in 2005 are1200, then find the sales in 2001?
The population of a village increases by 12½ % in the first year and decrease by 8% in the second year. If the present population of village is 3200, then what will be the population of the village after 2 years?