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hcf and lcm (5.papers)
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1
`The ratio of three numbers is 2 : 5 : 6 and their product is 7500. The numbers are:`
1. `16,40,48`
2. `10,25,30`
3. `30,75,90`
4. `8,20,24`
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4
`P and Q together have Rs. 950. If 2/5 of P's amount is equal to 4/15 of Q's amount. How much amount does Q have?`
1. `Rs. 380`
2. `Rs. 420`
3. `Rs. 490`
4. `Rs. 570`
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10
`The fourth proportional to 3, 5, 12 is : `
1. `15`
2. `20`
3. `25`
4. `35`
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11
`The mean proportional between 52 and 117 is: `
1. `44`
2. `69`
3. `65`
4. `78`
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12
`The third proportional to 0.24 and 0.36 is : `
1. `48`
2. `64`
3. `54`
4. `58`
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13
`The third proportional to (P^2 - Q^2) and (P - Q) is : `
1. `P+Q`
2. `P-Q`
3. `P+Q/P-Q`
4. `P-Q/P+Q`
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