Mathematics

Q85

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?

Q86

A milk vendor has 2 cans of milk. The first contains 25% water and the rest milk. The second contains 50% water. How much milk should mix from each of the containers so as to get 12 liters of milk such that the ratio of water to milk is 3: 5?

Q87

Two angles are supplementary. One angle is 12° less than three times the other. What is the measure of the larger angle?

Q89

During a 5-day festival, the number of visitors tripled each day. If the festival opened on Thursday with 345 visitors, what was the attendance on Sunday?

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