If 1/2 of the air in a tank is removed with each stroke of a vacuum pump,what fraction of the original amount of air has been removed after 4 strokes?

Created: 2 months ago | Updated: 3 weeks ago
Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Management Trainee Officer - 07.06.2013 গণিত
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A car driver's income consists of his salary and tips. His salary is Tk. 50 a week. During one week his tips were 5/4 of his salary. What fraction of his income for the week came from tips?

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If the area of a square increases by 69%, then the side of the square increases by ----

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The sum of square of two numbers is 80 and the square of their difference is 16. What is the product of the two numbers?

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