MCQOPTIONS
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| 1. |
X invested three- nineth, Y invested three-seventh of the remaining and Zth remaining. If Y earnedRs.840 as profit pr each year. Find the average monthly profit of all. |
| A. | 490 |
| B. | 510 |
| C. | 550 |
| D. | 570 |
| Answer» B. 510 | |