Mathematics & Logic
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241
If x : y = 3 : 4, then find the value of (7x + 3y) : (7x - 3y).
Easy
Mathematics & Logic
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242
A sum of ₹3,700 is divided among A, B, and C such that A's share : B's share = 3 : 4 and B's share : C's share = 5 : 6. Find A's share.
Medium
Mathematics & Logic
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243
Two numbers are in the ratio 1 : 3. If their sum is 240, find the difference between them.
Easy
Mathematics & Logic
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244
A bag contains coins of ₹1, 50-paise, and 25-paise in the ratio 5 : 6 : 8. If the total value is ₹210, find the number of 50-paise coins.
Hard
Mathematics & Logic
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245
Divide ₹1,050 among A, B and C in the ratio 1/5 : 1/6 : 1/4.
Medium
Mathematics & Logic
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246
A sum of ₹12,540 is divided among A, B, and C such that A gets 3/7 of what B and C together get. Find A's share.
Medium
Mathematics & Logic
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247
The duplicate ratio of 3 : 4 is:
Easy
Mathematics & Logic
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248
If 4, x, 9, 13.5 are in proportion, find the value of x.
Easy
Mathematics & Logic
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249
The sub-duplicate ratio of 25 : 36 is:
Easy
Mathematics & Logic
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250
Find the third proportional to 9 and 12.
Easy
Mathematics & Logic
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251
If a : b = 7 : 9 and b : c = 15 : 7, then what is a : c?
Easy
Mathematics & Logic
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252
If a : b = c : d, then (ma + nc) / (mb + nd) is equal to:
Hard
Mathematics & Logic
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253
A mixture of 30 liters contains milk and water in the ratio 7 : 3. How much water should be added so that the ratio becomes 3 : 7?
Medium
Mathematics & Logic
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254
The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1,250. Find the numbers.
Medium
Mathematics & Logic
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255
If a, b, c, d are in continued proportion, then (a/d) is equal to:
Hard
Mathematics & Logic
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