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Lichens are a complex life form, formed from a symbiotic association of two separate organisms, a fungus and an alga.
P can do a piece of work in 20 days, Q can complete double the work in 40 days and R can do the work in 30 days. If all of them together earn Rs. 2400, ...
Bank A's simple interest rate is 25% higher than Bank B's. A person wants to divide their savings between the two banks to earn the same amount of inter...
Aman borrowed Rs. 56000 at 11% p.a. simple interest for 2 years. He immediately invested the entire amount at 14% p.a. simple interest for the same dura...
A cyclist rides at a constant speed of 12 miles per hour for the first half of a journey. For the second half, the cyclist increases the speed to 18 mil...
Two pipes can fill a tank in 10 hours and 12 hours, respectively, while a third pipe can empty it in 20 hours. If all the three pipes are opened simulta...
If the perimeter of a square measures 92 cm, what is the area of the square?
A frustum of a cone has a lower base radius of 5 cm, an upper base radius of 3 cm, and a height of 4 cm. What is the volume of the frustum?
A 60-liter solution contains 30% alcohol. How much pure alcohol must be added to make the solution 50% alcohol?
Two cars, A and B, are traveling in the same direction on a highway. The ratio of their speeds is 3:4. If both cars increase their speeds by 15 km/h, th...