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Control of cottony cushion scale, Icerya purchasi on fruit trees by its predatory vedalia beetle, Rodolia cardinalis in Nilgiris. The predator was imported from California in 1929 and from Egypt in 1930 and multiplied in the laboratory and released.
Ajay and Bijay can individually complete a task in 18 days and 24 days, respectively. If they work together to finish the task an...
A person 'P' invested a total amount of Rs. 1800 in two SIPs, A and B, maintaining a ratio of 3:2. SIP A provides simple interest at a rate of 10% per a...
What is the principal sum if the difference between simple interest (SI) and compound interest (CI), compounded annually, on a ce...
The area of a square garden is 400 m². Calculate the perimeter of the garden.
A solution contains 40% sugar and the rest water. After adding 25 liters of water, we get another solution where the percentage of sugar drops to 20%. T...
If a line has direction ratios 2, – 1, – 2, determine its direction cosines.
Find the income of Rahul.
Statement 1 : The saving of Rahul is Rs. 10,000 less than the saving of Piyush.
Statement 2 : The ratio of incom...
Solve: ∫[(x4 – 2x3 + x2 – 2x)/(x-2)] dx
A product is marked at ₹1,200. If a discount of 20% is offered, and then a tax of 10% is applied on the discounted price, what is the final price paid...
The slope of a line passing through points (-2, 3) and (4, -1) is:
