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Maths Puzzle
Numerical Ability
Articles are bought at rs. 42 a dozen and sold at rs. 85 a score. what is the profit per cent?
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Please help me factor this-please show me the steps
3x^2 + 2x - 16
a woman bought two parcels of toffees, the same number in each parcel. the first she bought at 25 p each but the second at 3 for 65p. she mixed then all together and sold them at rs. 3.50. a dozen. find her gain percent.
opt.
1. 10%
2. 15%
3. 20%
4. 25%