Question
Which of the following equations correctly represents
the momentum p of a photon of Energy E?Solution
The correct answer is A
A book is listed at Rs. 1200 and the discount offered is 10%. What additional discount must be given to bring the net selling price to Rs. 900?
The amount spent to his family forms approximately what percent of his monthly savings?
A watch dealer pays 10% customs duty on a watch which costs Rs.500 abroad. He desires to make a profit of 20% after giving a discount of 25% to the buye...
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A manufacturer marked article at Rs. 450 and sold it allowing 30% discount. If his profit was 25%, then the cost price of the article was
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The price of a printer is marked at Rs 15000. If successive discounts of 10%, 20% and 25% allowed, then at what price does a customer buy it?
A trader marks all his goods at 60% above the costs price and offers a discount of 15% on the marked price. What is the actual profit % on...
A merchant marked the price of an article by increasing its production cost by 40%. Now he allows 20% discount and gets a profit of Rs. 48 after selling...
Mr. Karma started a Coaching classes and for that he wanted to purchase 50 chairs for the classroom cost of which was Rs.200 each. The trader offered h...
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