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At a photocopy center, the first 10 copies cost .x Taka each. Each of the next 50 copies costs 2 Taka less per copy. From the 61^st copy, the cost is I Taka per copy. In terms of .x how much does it cost in Taka to have 200 copies made?

A. 10x + 240

B. 50x - 10

C. 50 (x-5)

D. 60x - 110

E. None of these

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সঠিক উত্তরঃ E. None of these

Explanation:

There are two examination rooms A and B. If 10 students are sent from A to B, the number of students in each room becomes the same. If 20 candidates are sent from B to A, the number of students in A becomes double the number of students in B. What is the number of students in room A?
At a photocopy center, the first 10 copies cost .x Taka each. Each of the next 50 copies costs 2 Taka less per copy. From the 61st copy, the cost is 1 Taka per copy. In terms of .x how much does it cost in Taka to have 200 copies made?
Fahim bought 48 headphones and found that 8 of the headphones were not working for which his per unit cost increased by Tk. 24. What was the cost of each headphone?
there are two examination rooms A and B. If 10 students are sent from A to B , the number of students in each room because the same. If 20 candidates are sent from B to A, the number of students in A becomes double the number of students in B. What is the number of students in room A?
If one number exceeds another number by 18 and the larger number is 5/2 times the smaller, then the smaller number is
An employee can choose one of two methods of annual payment- either an annual salary of tk.35,000 with no commission or annual salary of Tk. 10,000 plus a 20% commission on her annual sales. What must be her total annual sales to get the same annual payment in either method?
Two parking lots can hold a total of 115 cars. If green can hold 35 fewer cars than red one, how many cars can the red lot hold?
At a photocopy center , the first 10 copies cost .x taka each. Each of the next 50 copies costs 2 taka less per copy. From the 61st copy , the cost is 1taka per copy . In terms of. x how much does it cost in taka to have 200 copies made?
Fahim bought 48 headphones and found that 8 of the headphones were not working for which his per unit cost increased by TK.24.What was the cost of each headphone?
There are 200 question on a three hour examination. Among these questions are 50 mathematical problems. It is suggested that twice as much time be allowed for each mathematics problems as for each of the other questions. How many minutes should be spent on the mathematics problems?
Fahim bought 48 headphones and found that 8 of the headphones were not working for which his per unit cost increased by Tk. 24. What was the cost of each headphone?
Six years ago Anita was P times as old as Ben was. If Anita is now 17 years old, how old is Ben now in terms of P?
There are 200 question on a three hour examination. Among these questions are 50 mathematical problems. It is suggested that twice as much time be allowed for each mathematics problems as for each of the other questions. How many minutes should be spent on the mathematics problems?
Courier charges for packages to a certain destination are 65 cents for the first 250 grams and 10 cents for each additional 100 grams or part thereof. What could be the weight in grams of a package for which the charge is $1.55?

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At a photocopy center, the first 10 copies cost .x Taka each. Each of the next 50 copies costs 2 Taka less per copy. From the 61st copy, the cost is I Taka per copy. In terms of .x how much does it cost in Taka to have 200 copies made?

At a photocopy center, the first 10 copies cost .x Taka each. Each of the next 50 copies costs 2 Taka less per copy. From the 61^st copy, the cost is I Taka per copy. In terms of .x how much does it cost in Taka to have 200 copies made?