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Let the parallelogram be ABCD, AB = 3 cm BC = 10 cm CD = 3 cm DA = 10 cm Using the concept, The sum of the squares of the diagonals = (AB + BC + CD + DA ) ⇒ (32 + 102 + 32 + 102 ) ⇒ (9 + 100 + 9 + 100) ⇒ 218
A seller purchased 18 mangoes at Rs. 180 per dozen. He sold half of them at Rs. 240 per dozen, and 6 more mangoes at Rs. 18 each. At what price should ...
What price should a shopkeeper mark on an article costing him 300 to gain 40% after allowing a discount of 30%?
The total price of 6 shirts and 5 trousers is Rs 3880 and the total price of 3 shirts and 2 trousers is Rs 1750. What is the total price of 3 trousers?
The combined cost price of two watches, 'P' and 'Q', amounts to Rs. 1,250. Watch 'P' is sold for a 20% profit, while watch 'Q' achieves an 18% profit. G...
The ratio of difference between the present age of A and B to the present age of B and C is 6:1. 6 years hence, the ratio between the age of A and C is ...
A shopkeeper marked an article Rs. 200 above the cost price and sold it after giving two successive discounts of 12% and 18% respectively, and faces a l...
A shopkeeper marked an article ‘A’ 60% above the cost price and sold it for Rs. 1008 after giving a certain discount while he sold an article ‘B�...
A shopkeeper marked his goods at 24.5% above the cost price, and sold them after giving two successive discounts of 20% and 50% for Rs. 249. Find the co...
