Related Questions

To produce an old photograph, a photographer charges x dollars to make a negative, 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
A 3
B 3.5
C 4
D 4.5
To produce an old photograph, a photographer charges x dollars to make a negative 3x/5 dollars for each of the first 10 prints, and x/5 dollars for each print in excess of 10 prints. If 45 dollars is the total charge to make a negative and 20 prints from an old photograph, how many dollars the photographer charges to make a negative?
A 3
B 3.5
C 4
D 4.5
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
The high cutting speed and large rake angle of the tool will result in the formation of
A continuous chips
B discontinuous chips
C continuous chips with built up edge
D none of the mentioned
Gas turbine blades are given a rake
A Equal to zero
B In the direction of motion of blades
C Opposite to the direction of motion of blades
D Depending on the velocity
The rake angle required to machine brass by high speed steel tool is
A 0°
B 10°
C 20°
D 100°
A drill considered as a cutting tool having zero rake, is known as a
A Flat drill
B Straight fluted drill
C Parallel shank twist drill
D Tapered shank twist drill
The rake angle of a single point cutting tool corresponds to _________ of a twist drill.
A Lip clearance angle
B Helix angle
C Point angle
D Chisel edge angle
Side rake angle of a single point cutting tool is the angle
A By which the face of the tool is inclined towards back
B By which the face of the tool is inclined sideways
C Between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of the tool
D Between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base
If x is negative , all BUT which of the following must also be negative?
A x3
B 1/x3
C 1/x
D 1/x2

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