To prepare a sweet, you need 5 cups of milk and 3 cups of sugar. If you are given 25 cups of milk, how much sugar will you need to prepare the sweet and exhaust all the milk? 

Select the group that has the same relation between the given numbers as the relation between the following group numbers.
(4, 9, 37)

John ' s age is 42 years and Kelvin ' s age is 26 years and how many years ago was Kelvin ' s age half of John ' s age ? 

If the ink of one pan ends up writing 10 page, how many panes will be required to write 20 copies of 40 page?

In a school, the bell is rung once after each half an hour. The school starts at 8:00 a.m. and closes at 1: 30 p.m. The bell is rung 3 times continuously, at the time of beginning, at the time of lunch break at 10:00 and 10:30 a.m. and at the end. How many times is the bell rung every day? 

Out of 100 families in the neighbourhood, 50 members have radios , 75 members have TVs and 25 members have VCRs . Only 10 families have all three and each VCR owner also has a TV . If some families have radio only , how many have only TV ? 

Which interchange of signs will make the following equation correct?
35 + 7 * 5 ÷ 5 - 6 = 24

A group of 1600 persons consisting of captains and soldiers is travelling in a train. For every 15 soldiers there is one captain. The number of captains in the group is?