During a certain operation B persons are successfully recovered every year. If A persons are treated during the last 5 years what will be the average death rate per year?
Correct answer D. (A-5B)/5
Tip: press A, B, C or D to answer, and N for the next question.
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See allA shopkeeper purchases 5 cartoons in 105 rupees and 8 cartoons in 155 rupees. If a cartoon contains 5 items then average price per item is?
Correct answer A. 4
In the above question the sum of the height of new students in class.
Correct answer B. 610
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The average height of a class of 18 students is 105 cm. After the arrival of 7 new students the average decreases by 5cm. Find sum of the heights of all the students in the class?
Correct answer B. 2500
The average earning of a shop for first three weeks of a month are 2750 per week. If the earnings of next 2 weeks are 4750 rupees then find total earnings of the 5 weeks?
Correct answer D. 13000
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