What is the respective ratio of the number of students appearing for the entrance test from cities B,C and F in the year 2012 to the number of students appearing for the entrance test in the year 2013 from the same cities

The number of candidates appearing for the entrance test from city D in the year 2013 is what percent more than the number of candidates appearing for the entrance test from city C in the same year

What is the average number of candidates appearing for the entrance test from all cities together in the year 2012

What is the respective ratio of the number of candidates appearing for the entrance test from city A in 2013 and city E in the same year

If 7 boys and 2 men working together can do three times as much work per hour as a boy and a man together, what will be the respective ratio of work done by a boy and a man for the given time

In how many different ways can the letters of the word ‘CANDIDATE’ be arranged in such a way that the vowels always come together