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hcf and lcm (5.papers)
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# arithmetic ratio and proportion questions and answers

1
`Find the ratio between 1hr 30 minutes and 2hrs 40 minutes.`
1. `9:16`
2. `5:9`
3. `12:17`
4. `13:24`
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2
`What is M : N if M is 40% of N.`
1. `2:3`
2. `5:2`
3. `3:2`
4. `2:5`
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3
`3A = 4B = 5C, A : B : C = ?`
1. `12:15:22`
2. `20:15:12`
3. `15:20:12`
4. `12:20:15`
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4
`A bag contains 50p, 25p and 10p coins in the ratio 3 : 7 : 4, amounting to Rs. 109.50. Find the number of coins of each type.`
1. `80,250,140`
2. `75,220,135`
3. `90,210,120`
4. `80,210,120`
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7
`If X : Y = 3 : 4, Y : Z = 5 : 6, X : Z = ?`
1. `8:5`
2. `5:8`
3. `7:3`
4. `4:9`
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8
`If A : B : C = 2 : 3 : 4, C : D = 2 : 3 then A : B : C : D = ?`
1. `6 : 4 : 3 : 2`
2. `3 : 2 : 4 : 6`
3. `3 : 4 : 5 : 6`
4. `2 : 3 : 4 : 6`
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10
`If A : B = 3 : 5 and B : C = 6 : 7 then A : B : C is: `
1. `18 : 30 : 35`
2. `15 : 18 : 22`
3. `18 : 35 : 30`
4. `35 : 30 : 18`
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11
`If P : Q : R = 2 : 3 : 4, then P/Q : Q/R : R/P is equal to :`
1. `8 : 9 : 16`
2. `8 : 9 : 24`
3. `4 : 9 : 16`
4. `8 : 9 : 12`
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12
`If M : N = 1 : 2, N : O = 2 : 3 and O : P = 4 : 5, then M : N : O : P is : `
1. `2 : 4 : 6 : 7`
2. `4 : 2 : 6 : 7`
3. `12 : 15 : 8 : 4`
4. `4 : 8 : 12 : 15`
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13
`3A = 5B and 2B = 3C, then A : C is : `
1. `5 : 2`
2. `2 : 5`
3. `3 : 1`
4. `3 : 2`
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14
`If x : 0.25 : : 3 : 5, then x is equal to : `
1. `0.25`
2. `0.15`
3. `0.20`
4. `0.30`
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15
`If a : b = 2 : 3, then (5a + 6b) : (3a + 5b) is : `
1. `3 : 4`
2. `3 : 5`
3. `4 : 3`
4. `5 : 3`
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16
`If 40% of x = 55% of y, then x : y is : `
1. `17 : 5`
2. `11 : 8`
3. `5 : 6`
4. `15 : 7`
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17
`If x/2 = y/5 = z/6, then (x + y + z)/x is equal to : `
1. `13`
2. `12`
3. `15/2`
4. `13/2`