machines

The graph represents the weight lifting machines and their capacities(in pounds). Which of the graphs is misleading? => Graph 2 or Graph 1..

The radius of a machined part is 2.5 cm, with a tolerance of 0.003 cm. What is the least possible radius that is acceptable? => 2.503 cm or 2.5 cm or 2.497 cm or None of the above..

The probability of winning on a slot machine is 9%. If a person plays 500 times, then find the probability of winning at the most 25 times. => 0.1 or 0.01 or 0.0011 or 0.019..

It has been found that 6% of the tools produced by a certain machine are defective. What is the probability that in a shipment of 500 such tools 4% or less will prove defective? => 97.13% or 0.97% or 2.87% or 47.13%..

A machine produces 10 nuts per hour in a factory. Which graph shows the relationship between the number of hours and the nuts produced? => Graph 3 or Graph 2 or Graph 1 or Graph 4..

A slot machine takes only 10 ¢ or 5 ¢ coins. There are 40 coins in the machine and their value is $2.95. How many coins of each type are there? => 21, 19 or 19, 21 or 18, 22 or 21, 21..

A machine makes 324 copies in 16 hours. How many copies can it make in 96 hours, if number of hours and the number of copies vary directly? => 1944 copies or 1968 copies or 1948 copies or None of the above..

A printing machine produces 2400 newspapers in 3 hours. At this rate, how many newspapers are produced in 14 hours? => 24,000 or 4800 or 8000 or 11,200..

A machined part is to be 20.5 mm wide, with a tolerance of 0.01 mm. What is the greatest possible width that is acceptable? => 20.49 mm or 20.51 mm or 20.5 mm or None of the above..

A contractor hires a mortar mixing machine for 5 months and a heavy vehicle for transporting the raw material for 10 months by paying a total rent of $1650. He pays a total rent of $1560 for hiring the machine for 8 months and the vehicle for 7 months for another job. Find the m..