Mathematics & Logic
939 questions found
871
A sum of ₹312 is divided among 60 boys and 40 girls such that each boy gets ₹3.60 and each girl gets ₹2.40. Find the ratio of total money received by boys to total money received by girls.
Medium
Mathematics & Logic
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872
A and B are two mixtures of gold and copper in ratios 7:2 and 7:11. If equal quantities of these mixtures are melted to form a third mixture C, find the ratio of gold and copper in C.
Hard
Mathematics & Logic
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873
The ratio of the surface area of two cubes is 4:9. What is the ratio of their volumes?
Medium
Mathematics & Logic
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874
If x:y = 1:2 and y:z = 3:4, find the ratio of $(x+y) : (y+z)$.
Medium
Mathematics & Logic
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875
Two numbers are in the ratio 3:4. If the LCM is 120, find the sum of the numbers.
Medium
Mathematics & Logic
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876
A person divides his assets among three sons in the ratio 1/2 : 1/3 : 1/4. If the total asset value is ₹65,000, find the share of the son who gets the least.
Medium
Mathematics & Logic
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877
The ratio of the area of a circle and its circumscribed square is:
Hard
Mathematics & Logic
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878
If a:b = 2:3 and b:c = 4:5, find $a^2 : b^2 : bc$.
Hard
Mathematics & Logic
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879
If 15% of A is 20% of B, then A:B is:
Easy
Mathematics & Logic
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880
A bag contains coins of ₹1, 50 paise and 25 paise in the ratio of 8:5:3. If the total money in the bag is ₹225, what is the number of 50 paise coins?
Hard
Mathematics & Logic
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881
The ratio of the speed of two trains is 7:8. If the second train runs 400 km in 4 hours, what is the speed of the first train?
Medium
Mathematics & Logic
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882
If A:B = 3:4 and B:C = 5:9, then A:B:C is:
Easy
Mathematics & Logic
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883
In a library, the ratio of storybooks to other books is 7:2 and there are 1512 storybooks. Due to the addition of some more storybooks, the ratio becomes 15:4. The number of new storybooks added is:
Medium
Mathematics & Logic
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884
The third proportional to 9 and 12 is:
Easy
Mathematics & Logic
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885
A sum of ₹1300 is divided among A, B, C and D such that (A's share / B's share) = (B's share / C's share) = (C's share / D's share) = 2/3. What is A's share?
Hard
Mathematics & Logic
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