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According to question, => A – B = B – C => A + C = 2B => A – C = 7 => A = 7 + C => A + B + C = 33 => 2B + B = 33 => B = 11 Now, => A + B + C = 33 => C + 7 + 11 + C = 33 => 2C = 18 => C = 9 Age of A = 9 + 7 = 16 Required ratio = 16:11:9
Find the rank of the word 'PROPER' in dictionary order among all its permutations.
A person sells two items, X and Y. The marked prices of X and Y are 25% and 40% higher than their cost prices, respectively. After a 10% discount on bot...
A cyclist travels at a speed of 20 km/h. After riding for 2 hours, he stops for 30 minutes and then continues to ride at a speed of 15 km/h for another ...
A merchant faces a loss of 18% when selling a product for Rs. 656.20. Determine the cost price of the product.
Anil can do a piece of work in 14 days and Sunil can do the same work in 20 days. With the help of Vimal, they completed the same work in just 4 days. T...
If the homogeneous system of equations
x + y + z = 0
2x + 3y + 4z = 0
has a non-trivial solution, then the value of k is:
3x + 5y + kz = 0
The volume and height of a cylinder are 5346 cm3 and 21 cm. Find the radius of the cylinder.
A company has two machines: Machine A and Machine B. Machine A was bought for 75,000, and Machine B for 50,000. If the value of Machine A depreciates by...