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(1024)n/5 × 4(2n+1)/ 16n× 4(n- 1) ⇒ (4⁵)n/5 × 4(2n+1) /42n × 4(n-1) ⇒ 4(n+2n+1)/4(2n+n- 1) ⇒ 4(3n+1)/(4(3n- 1) ⇒ 4(3n+1-3n+1) ⇒ 4² = 16
A merchant possesses 60 identical items, each marked up by 180% above the cost price. He sells 30 of these items at a 25% discount and the remaining 30 ...
A shopkeeper bought 3 different types of goods: 100 items at ₹50 each, 200 items at ₹40 each, and 50 items at ₹60 each. If he sold all items at ...
A shopkeeper give 4 articles free on the purchase of every 12 articles. He also allows a discount of 25% to customer and still earns 20% profit. Find th...
A shopkeeper bought 'x - 44' kg of sugar at Rs. 60 per kg and 44 kg of sugar at Rs. 'x' per kg and mixed them. He sold the mixture at Rs. 92.3 per kg an...
A costs thrice as much as B. A is sold at a loss of 15% and B is sold at 7/5th of its price. If selling price of A is Rs. 2300 more than selling price o...
A seller sells two items, one at a 25% profit and the other at a 15% loss. If the selling prices of both items are the same and the overall transaction ...
A shopkeeper marks the price of an item 40% above its cost price and then offers a discount of 25% on the marked price. If the shopkeeper still earns a ...
A trader buys 150 kg of rice at ₹20 per kg and 100 kg of rice at ₹25 per kg. He mixes them and sells the mixture at ₹27 per kg. What is his overal...
A dishonest dealer professes to sell his goods at cost price, but he uses a weight of 700 gm for the kg weight. Find his approximate gain per cent.
...Mayank gives 25% discount to his customer but he sells only smuggled goods and as a bribe he pays 10% on the cost price. Find what should be the Marked ...
