Multiple Choice Question: How many prime numbers are there from 1 to 100, inclusive?

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

A highway has a gradient of 0.087. How many meters would an automobile rise vertically if it traveled 2 miles along the way?
A cat takes 4 leaps to a dog's 3; but 2 of the dog's leaps are equivalent to 3 of the cat’s. The cat has a start of 50 leaps. How many leaps must the dog take to catch the cat?
Company X has a fixed expense of P1.5M monthly and each unit is produced at P20
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Solve for x: $5^{2x + 1} \times 7^{2x} = 175$.
A boy playing under the street-light noticed that the length of shadow of his 5-foot stick erected vertically on the pavement, is 20 inches.
The frame shown is to be analyzed using the portal method.
In the CE Board examinations, the probability that an examinee will pass in each subject is 0.80. What is the probability that the examinee will pass at least two subject?
A hole 10 inches in diameter is to be punched out from a sphere having a diameter of 16 inches. Determine the volume punched out if the center of the hole is along the diameter of the sphere.