Mathematics

Q91

Two vessels A and B contain spirit and water mixed in the ratio 5: 2 and 7: 6 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8: 5?

Q93

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?

Q95

A man buys calculators at Rs.120 each and sells them at Rs.150 each. What percentage profit does he make?

Q97

If 14 taps fill a swimming pool in 10 hours, how much time will 5 taps take to fill the pool?

Q99

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years.

Q100

Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1: 1: 2. If the mixture is worth Rs. 153 per kg, the price of the third variety per kg will be:

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