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Emf of the battery, E = 12V Internal resistance of the battery, r = 4 ohm Current = 0.6 A so, I = E/(R + r) R + r = E/I = 12/0.6 = 20 ohm Therefore = 20 - 4 = 16 ohm Terminal voltage of resistor = V so, V = IR => 0.6 x 16 => 9.6 V
A shopkeeper bought two articles for Rs. 200 each. If he sold one of them at 40% profit and the other at 25% loss, then find the difference between the ...
If 7% of S.P. is equal to 8% of C.P. and if 9% of S.P. is Rs. 2 more than 10% of C.P, then find C.P. and S.P.
By selling 18 table fans for Rs 11,664 a man incurs a loss of 10%. How many fans should be sold for Rs.17,424 to earn 10% profit?
An article with cost price of Rs. 1800 is marked 44% above its cost price and sold after two successive discounts of 20% and Rs. ‘X’ respectively su...
A and B started a business by investing sum in the ratio 3:5 respectively for 10 and 12 months respectively. If annual profit earned by B is Rs.1600, th...
The profit earned by selling an article for Rs. 9,200 is 3/4th the loss incurred on selling the same article for Rs. 6,000. Find the selling price of th...
Mina sold 25 lamps at a profit of 20%. If she had sold all the lamps for Rs. 2500 more, her overall profit would have been 40%. What is the selling pric...
Marked price of an article is 1.45 times of cost price. Selling price is Rs. 1500.Find the discount percentage if profit percentage is 25%
A shopkeeper purchases an article at a 30% discount on the marked price and sells it at a 50% profit on the cost price. If his profit amounts to ₹840,...
Table given below shows the cost price and selling price of five different articles.
