Question
Who developed the process of
canning?Solution
Nicolas Appert, a French confectioner, developed the canning process in the early 19th century. He discovered that food sealed in containers and heated could be preserved for long periods. Louis Pasteur later contributed to food preservation by developing pasteurization, but he did not invent canning.
Let A={1,2,3}, and B={x ∈ Z ∣ 1≤x≤4}. The total number of injective functions from A to B is:
A bag contains coins of ₹1, ₹2, and ₹5 denominations in the ratio 3:2:1. If the total amount in the bag is ₹240, find the number of ₹2 coins.
The following table shows the marks obtained by five students in three subjects:
The simplified value of (452 x 452 x 452 – 356 x 356 x 356)/(452 x 356 + 452 x 452 + 356 x 356) is:
If the mean of four observations is 20 and when a constant C is added to each observation the mean becomes 22 the value of C is –
The population of a town increased to 13,520 in 2022 at a rate of 4% per annum. Find the population of that town in 2020.
The average of a, b and c is 8 less than d. If the average of a, b, c and d is 42, and the average of b and c is 43. then find the average of (a-6) and ...
Calculate the percentage contribution of the South branch's total revenue to the company's total revenue over the three years (2021-2023).
A pipe fills a cubical tank at the rate of 384 m3Â per minute in 36 minutes. If a cylindrical tank having height same as the side of a cubica...
A person invested 6,000 in a bank at compound interest compounded annually. After 3 years, the sum became 7,986. What was the rate of interest?