What was the primary method used by researchers to confirm the lunar cave?
Researchers used radar measurements from NASA’s Lunar Reconnaissance Orbiter, comparing them to Earth's lava tubes, to confirm the lunar cave.
If sinA = 3/5 and cosB = 12/13, where A and B are in the first quadrant, find sin(A + B).
In a mixture of wine and water, there is only 28% water. After replacing the mixture with 5 litre of pure wine, the percentage of wine in the mixture be...
The scores achieved by P and Q in an examination are in a ratio of 9:4 respectively. If Q scores an additional 11 points, then P's score will be approxi...
There are two buckets X and Y containing mixture of milk and water in which concentration of milk is (a-9)% and (a+15)%, respectively. They are mixed to...
A merchant has 1200 kg of sugar, part of which he sells at 9% profit and the rest at 15% profit. He gains 11% on the whole. The quantity (in kg) sold at...
A solution contains 30L of pure milk. 10% of his this is taken out. Another 15% of the remaining solution is taken out and finally 20% of the contents ...
A vessel contains 50 liters of a solution with 40% acid. 10 liters of this solution are removed and replaced with a solution containing 70% acid. The pr...
How much groundnut powder at Rs. 90 a kg. should be added to 56 kg. of cashew powder at Rs.310 a kg. so that by selling the mixture for Rs. 280 a kg...
Anju deposited two parts of a sum of Rs. 30,000 in different banks at the rate of 15% per annum and 12% per annum respectively. In one year she got Rs. ...
The difference between the present ages of a mother and her son is 32 years. Six years ago, the mother was 4 years younger than twice the present age of...
