Blue-green algae is also called as Cyanobacteria, is a large group of prokaryotic organisms that resemble the eukaryotic algae in morphological and ecological characteristics, and were at one time treated as algae, hence the common name of blue-green algae. The prokaryotic nature of the blue-green algae has been the reason for these to be classified in the prokaryotic kingdom Monera.
A mixture contains milk and water in the ratio 7:5. If 6 liters of water is added to the mixture, the ratio of milk to water becomes 7:6. Find the origi...
A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3
A principal of ₹5000 is invested at a simple interest rate of 8% per annum. What will be the interest earned after 3 years?
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.3000 after 5 years. If the same amount is investe...
1. यदि 10 वर्ष पूर्व पिता की उम्र पुत्र की उम्र से तिगुनी थ...
The simple interest on a sum of money for 3 years is 1,200 at a rate of 10% per annum. What is the compound interest on the same sum for the same time a...
A triangle ABC is inscribed in a circle. The tangent at A meets the extended sides BC and AB at points P and Q, respectively.
If ∠ACB = 30° an...
If sin x + sin y = a and cos x + cos y = b, find sin(x + y):
What is the total amount allocated to Research and Development and Operations combined?
A car covers the first 40 km of a journey at 60 km/h and the next 60 km at 90 km/h. What is the average speed for the entire journey?
