exam Maths Puzzle Numerical Ability

a sales tax of 5 and 3 over 4 percent is charged on a blouse priced at $42. How much sales tax must be paid

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exam Other Question

Two couples are going out for dinner. If all four have steak, the bill will be $22.00. If two have steak and two have lobster, the bill will be $25.00. How much are the steak di A cylindrical tank with diameter 60cm and length 150cm rests on its side.
The fluid in the tank leaks from a valve that is 20cm off the ground. When
no more fluid leaks out , what is the volume of the remaining fluid?