Mathematics

Q142

A worker earns Rs. 4.00 per hour. On a day that he works from 9:30 A.M. to 3:00 P.M., how much will he earn?

Q143

Two cyclists start biking from a trail’s start 3 hours apart. The second cyclist travels at 10 mph and starts 3 hours after the first cyclist who is traveling at 6 mph. How much time will pass before the second cyclist catches up (after he starts)?

Q148

If X and Y are two positive real numbers and X^(1/3) = Y^(1/4), then which relation is true?

Q149

While watching TV for 1 hour, you count 20 commercials each 30 seconds long. What percent of time is used?

Q150

An automobile financier claims to be lending money at simple interest, but he includes the interest every six months. If he is charging 10%, the effective rate becomes:

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