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questionFromString.label: IBPS RRB Clerk Prelims 2017

45% π‘œπ‘“ 600+?% π‘œπ‘“ 480 = 390

1:
20
2:
25
3:
30
4:
40
5:
None of these
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chapterName.label: Simplification
difficultyLevel.label: Easy

Solution: 45% of 600 + ?% of 480 = 390

                or, 45 * 6 + x * 48/10 = 390

               or, 270 + x * 48/10 = 390

               or, x * 48/10 = 390 - 270

               or, x = 120 * 10/48

               or, x = 25

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IBPS RRB Clerk Prelims 2017

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