Related Questions

A case of 12 rolls of paper towels sells for $ 9. The cost of one roll sold individually is $ 1. what is the percent of savings per per roll for the 12-roll package over the cost of 12 rolls purchased individually?
A 25%
B 90%
C 15%
D 11%
A case of 12 rolls of paper towels sells for $ 9. The cost of one roll sold individually is $ 1. what is the percent of savings per roll for the 12 roll package over the cost of 12 rolls purchased individually?
A 9%
B 33.33%
C 25%
D 15%
A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 80% of the remaining rolls were sold between noon and closing time. How many dozen rolls had been sold when the bakery closed yesterday?
A 2 dozen
B 4 dozen
C 5 dozen
D 8 dozen
Mr. Mamun bought 73 rolls of film. He can take 24 pictures with each roll of film. What is the total number of pictures he can take with 73 rolls of film ?
A 1,642
B 1,652
C 1,742
D 1,752
A tailor had a number of shirt pieces to cut from a roll of fabric. He cut each roll of equal length into 10 pieces. He cut at the rate of 45 cuts a minute. How many rolls would be cut in 24 minutes ?
A 32 rolls
B 54 rolls
C 108 rolls
D 120 rolls
Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher?
A Rod mill
B Fluid energy mill
C Gyratory crusher
D Ball mill
According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than
A 0.00184
B 0.0184
C 0.184
D 1.84
Horsepower required for a roll crusher is directly proportional to its
A Reduction ratio
B Capacity
C Both A & B
D Neither A nor B
In a roll crusher, the specific power consumption and the production rate is affected by the
A Reduction ratio
B Differential roll speed
C Both A & B
D Neither A nor B
The cost of four rolls, six samuchas and three loaves of bread is Tk. 91. The cost of two rolls, three samuchas and one loaf of bread is Tk. 39. What is the cost of one loaf of bread?
A Tk. 10.50
B Tk. 11.00
C Tk. 12.00
D Tk. 13.00

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