Mathematics & Logic
939 questions found
856
Salaries of Akash, Bablu and Chintu are in the ratio 2:3:5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?
Medium
Mathematics & Logic
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857
A container contains 40 liters of milk. From this container 4 liters of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
Hard
Mathematics & Logic
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858
The ratio of third proportional to 12 and 30 and the mean proportional between 9 and 25 is:
Hard
Mathematics & Logic
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859
If $x/5 = y/8$, then $(x+5) : (y+8)$ is equal to:
Easy
Mathematics & Logic
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860
In a bag, there are coins of 25p, 10p and 5p in the ratio of 1:2:3. If there is ₹30 in all, how many 5p coins are there?
Medium
Mathematics & Logic
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861
If $2A = 3B = 4C$, then A:B:C is:
Easy
Mathematics & Logic
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862
A, B and C start a business. A invests 3 times as much as B, and B invests two-third of what C invests. What is the ratio of their investments?
Medium
Mathematics & Logic
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863
The ratio of copper and zinc in brass is 13:7. How much zinc will be there in 100 kg of brass?
Easy
Mathematics & Logic
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864
A, B and C enter into a partnership. A invests 3 times as much as B and B invests two-third of what C invests. At the end of the year, the total profit is ₹6600. What is the share of B?
Medium
Mathematics & Logic
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865
The ratio of the efficiency of A, B and C is 2:3:5. Working together, they can complete a task in 6 days. In how many days can A alone complete 20% of the task?
Hard
Mathematics & Logic
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866
The ratio of the length of a rod and its shadow is 1:√3. The angle of elevation of the sun is:
Medium
Mathematics & Logic
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867
If 4A = 5B = 6C, then A:B:C is:
Easy
Mathematics & Logic
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868
In what ratio must water be mixed with milk to gain 20% by selling the mixture at cost price?
Hard
Mathematics & Logic
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869
The ratio of the diagonal of a square to its side is:
Easy
Mathematics & Logic
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870
The income of A is 20% more than that of B. The ratio of the income of B to A is:
Easy
Mathematics & Logic
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