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The correct option is (4) Did she know about the meeting?After "Did," the base form of the verb (know) is used instead of its past (knew) or past participle (known). Hence, "Did she know" is the grammatically correct structure.
A pair of shoes is sold for Rs. 810 after two successive discounts of 25% and 50%, respectively. If the cost price of the shoes is Rs. 1600, find the pe...
A Shopkeeper gives 5 articles free on the purchase of every 15 articles. He also allow a discount of 20% to customer and still earn 20% profit. Find the...
The difference between the cost price and sale price of an article is Rs.600 and the profit is 30%. Find the selling price.
Profit percentage received on a product when sold for Rs.550 is equal to the percentage loss incurred when the same product is sold for Rs.380. Find the...
A purchased an article for Rs 1550. She sold the article at 8% profit. She then added Rs 355 to the amount received and purchased a purse such th...
A purchased an article for Rs 3500. She sold the article at 12% profit. She then added Rs 500 to the amount received and purchased a purse such t...
The sale price of an item is set at 30% above the cost price. After giving a 10% discount on the marked price, what is the merchant’s profit percentag...
Nikhil purchased a house for Rs. 20,00,000/- and gave it on rent immediately at the rate of Rs. 15,000/- per month. After five months, he sold the house...
The combined cost price of a TV and a wall clock averages Rs. 4,825. The TV is marked up by 35% above its cost price but sold after a discount of Rs. 18...
Amazon allows 15% discount to his customers and still earn 19% profit. If the production cost of the product is increased by 12% therefore Amazon issued...