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Anjali gave Rs. 2500, and Priya had to actually give Rs. 900 as change. Thus, Priya sold it for Rs. 2500 – 900 = Rs. 1600. Let MRP = 100y. Profit at 25% on MRP means SP = 125y. 125y = 1600 y = 12.8 ∴ MRP = Rs. 1280 CP for Priya = 50% of 1280 = Rs. 640. Priya got Rs. (2500 – 1500) = Rs. 1000 from Anjali. Hence, Profit % = ( 1000−640)/640 ×100 = 56.25%
The coefficient of ‘b2’ in (3a + b)3 is
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If (x² + 1)/x = 3, what is the value of (x¹² + 1)/x ⁶ ?
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If x = 35, then the value of x5 - 36x4 + 36x3 - 36x2 + 36x - 1 is
The area of △ ABC is 44 cm2 . If D is the midpoint of BC and E is the midpoint of AB, then the area of △ BDE is
If a = 2 + √3, then the value of (a6 + a4 + a2 + 1)/a3 is