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Total discount allowed after first 2 discounts = 20 + 30 – {(20 × 30)/100} = 44% So, required percentage = 44 + 35 – {(35 ×44)/100} =63.6 % Alternate solution: Let the marked price be Rs.100x So, selling price = 100x × (4/5) × (7/10) × (13/20) = Rs. 36.4x So, total discount allowed = 100x – 36.4x = 63.6%xRs. required percentage=(63.6x/100x) ×100=63.6%
Which of the following numbers will replace the question mark (?) in the given series?
69, 70, 74, 83, ?, 124
11 28 47 70 ? 130
...90 211 67 236 ? 265
...6 5 40 32 249 240
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
4 7 6
15 ? 21
44 68 60
33 68 103 138 173 ?
2 3.5 11.5 44 192.5 988
9 a...
14 26 ? 558 4432 44270
...13, 26, 104, ?, 13312, 425984
8 20 36 56 80 ?
