Mathematics & Logic
939 questions found
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316
If x/2 = y/3 = z/5, then find the value of (x + y + z) / z.
Easy
Mathematics & Logic
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317
The ratio of two numbers is 10 : 7 and their difference is 105. Find the sum of these numbers.
Easy
Mathematics & Logic
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318
If A : B = 1/2 : 3/8, B : C = 1/3 : 5/9 and C : D = 5/6 : 3/4, then the ratio A : B : C : D is:
Hard
Mathematics & Logic
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319
In March 2026, which historical manuscript was digitized and made public by the National Archives of India under the 'Lipi-Sangrah' project?
Medium
History, Mathematics & Logic, Current Affairs
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320
The mean proportional between (3 + √2) and (12 - √32) is:
Hard
Mathematics & Logic
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321
If 2A = 3B = 4C, then A : B : C is:
Medium
Mathematics & Logic
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322
A mixture contains milk and water in the ratio 5 : 1. On adding 5 liters of water, the ratio of milk and water becomes 5 : 2. What is the quantity of milk in the mixture?
Medium
Mathematics & Logic
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323
If x : y = 3 : 2, then find the value of (x + y)² : (x - y)².
Easy
Mathematics & Logic
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324
If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then A : D is:
Medium
Mathematics & Logic
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325
Find the third proportional to 16 and 36.
Easy
Mathematics & Logic
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326
The ratio of the incomes of two persons is 9:7 and the ratio of their expenditures is 4:3. If each of them saves ₹2,000 per month, find their monthly incomes.
Hard
Mathematics & Logic
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327
If x : y = 2 : 1, then find the value of (x² - y²) : (x² + y²).
Easy
Mathematics & Logic
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328
Two numbers are in the ratio 5 : 6. If 8 is added to each number, the ratio becomes 7 : 8. Find the numbers.
Medium
Mathematics & Logic
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329
Divide ₹672 between A and B in the ratio 5 : 3.
Easy
Mathematics & Logic
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330
If a : b = c : d, then which of the following is equal to (a + c) : (b + d)?
Hard
Mathematics & Logic
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