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20%,30%, and 10% successive discount of the first two- 20+30-(30×20)/100 50-6=44% so now 44% and 10% 44+10 -(44×10)/100 54-4.4= 49.6%
720 ? 240 180 144 120
...D irection: Which of the following will replace ‘?’ in the following series
9, ‘?’, 1242, 1581, 1783
...Choose the correct alternative
21: 3 ∷ 574: ?
24 72 180 360 540 ?
210 211 207 223 159 ?
...15 13 28 24 54 52
...5 ? 205 823 7405 29623
...16 18 14 20 12 ?
...47 82 117 152 187 ?