Mathematics & Logic
939 questions found
Other Topics
General Knowledge Science History Geography Current Affairs Computer Sports Indian Polity Environment & Ecology Literature & Arts Economics
376
If (a + b) : (a - b) = 15 : 1, then what is the ratio (a² + b²) : (a² - b²)?
Hard
Mathematics & Logic, Indian Polity
View Question
377
Find a third proportional to (x² - y²) and (x - y).
Hard
Mathematics & Logic, Indian Polity
View Question
378
What is the fourth proportional to 0.12, 0.21, and 8?
Medium
Mathematics & Logic
View Question
379
The ratio of land and water on Earth is 1:2. In the Northern Hemisphere, the ratio is 2:3. What is the ratio of land and water in the Southern Hemisphere?
Hard
Mathematics & Logic, Geography
View Question
380
If x:y = 3:4 and y:z = 8:9, what is x:z?
Easy
Mathematics & Logic
View Question
381
A container contains 50 liters of milk. 5 liters of milk is taken out and replaced by water. This process is repeated one more time. What is the final ratio of milk and water?
Hard
Mathematics & Logic
View Question
382
Find the ratio of the areas of two squares if the ratio of their perimeters is 3:4.
Easy
Mathematics & Logic
View Question
383
The ratio of the incomes of A and B is 9:4 and the ratio of their expenditures is 7:3. If each saves ₹2,000, find the income of A.
Hard
Mathematics & Logic
View Question
384
Find the mean proportional between 0.08 and 0.18.
Medium
Mathematics & Logic
View Question
385
If 40% of A is equal to 60% of B, then what is the ratio A:B?
Easy
Mathematics & Logic
View Question
386
Two numbers are in the ratio 4:7. If 10 is subtracted from each, the ratio becomes 1:2. Find the greater number.
Medium
Mathematics & Logic
View Question
387
Find the duplicate ratio of 5:6.
Easy
Mathematics & Logic
View Question
388
The ratio of the ages of A and B is 5:7. Eight years ago, the ratio was 7:13. What is B's current age?
Hard
Mathematics & Logic
View Question
389
A bag contains ₹1, 50 paise, and 25 paise coins in the ratio 5:6:8. If the total value of these coins is ₹420, find the number of 50 paise coins.
Hard
Mathematics & Logic
View Question
390
If p:q = 11:2 and q:r = 3:2, find the combined ratio p:q:r.
Medium
Mathematics & Logic
View Question