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For The Mathematically Inclined

Anil Saigal

Problem 1:

There are two leaders in the tourist group, with an average age of 30 years and several children with an average age of 10 years. The total age of the group is 12 years. How many children are in the group?

Problem 2:
A survey carried out at a certain hospital indicates that the probability that a patient tested positive for malaria is 0.8. What is the probability that two patients selected at random one is negative and other is positive?

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Problems from M-07/30/20

Problem 1:
The shooter heard the impact of the bullet on the target in one second after the shot. The bullet was moving at an average speed of 500 m/s.  Determine the distance of the target if the speed of sound is 340 m/s.

Problem 2:
A tourist  started waling from a hotel at an average speed of 5km/h. Half an hour later, the bicyclist started along the same route at a speed of 20km/h. In how many minutes will a cyclist catch up?

Congratulations Nilesh Agarwal.

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