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In the north, the phenomenon is called the aurora borealis or the northern lights. In the Southern Hemisphere, it's the aurora australis, or southern lights.
A sphere has a diameter of 10 cm. A cone with a height of 10 cm and a radius of 5 cm is removed from the sphere. What is the volume of the remaining solid?
A deck of 52 cards is used. Two king cards and one spade are removed from the deck. Then, two cards are drawn randomly one after the other without repla...
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 shopkeeper sells an article at a profit of 12.5% on the selling price. Find the actual profit percentage.
A sum of money becomes ₹5,600 in 4 years and ₹6,400 in 8 years at simple interest. Find the rate of interest per annum.
Ankit can finish 25% of a task in 4 days. Bhuvan is 20% less efficient than Ankit. How many days will it take for both of them to...
Person 'X' can complete a task in 30 days when working at full efficiency, while person 'Y' can finish the same task in 50 days at full efficiency. If '...
A shopkeeper purchased two packets of chips, A and B, for a combined cost of Rs. 2500. Packet A was sold with a 30% profit, while...
Puneet owns 66 foldable laptops, and Raja has 22 more foldable laptops than Puneet. The ratio of foldable laptops between Raja an...