Question
A man purchases 60 kg of wheat at ₹20 per kg and 40 kg
of rice at ₹30 per kg. He mixes them and sells the mixture at ₹28 per kg. Find his percentage profit or loss.Solution
Total cost = (60 × 20) + (40 × 30) = ₹2400. Total selling price = 100 × 28 = ₹2800. Profit % = ((2800 - 2400)/2400) × 100 = 16.67%. Correct option: d
30.01 × √1023 + 196 = ? 2 – 287
70.008% of 399.98 + ?% of 399.999 = 80.105% of 599.998
? = 26.08 + 18.99 × 25.07
A bag contains 25 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, fin...
15.78% of (287 + 302) + 12³ = ?% of 170 + 8 × 14 + 3²
40 × 55.96 ÷ 7 – 20% of 699.81 + 63 = ? - (11479.50 ÷ 7)
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1620 and simple interest of Rs.1500 at the end of 2 year...
4650.12 ÷ √8648.88 + √27.08 * √1727.85 = ? – 609.10 ÷ 87.07
...(439.98 ÷ 10.99) × 23.98= ? × (23.98) 2 ÷ 47.98
29.88% of 3599.90 + 5/12 of 2399.81 – 34.81% of 1200.18 = ?
