The ratio between the present ages of Ram, Rohan and Raj is 3 : 4 : 5. If the average of their present ages is 28 years then what would be the sum of the ages of Ram and Rohan together after 5 years ?
A). 56 years
B). 57 years
C). 58 years
D). 59 years
In a class, the number of boys and the number of girls are in the ratio of 4 : 5. If 10 more boys join, the ratio of the number of boys to the number of girls becomes 6 : 5 . How many girls are there
A). 24
B). 25
C). 26
D). 27
The present ages of Reena and Usha are 24 years and 36 years respectively. What was the ratio of the age of Usha to that of Reena eight years ago ?
A). 4 : 7
B). 1 : 9
C). 5 : 11
D). 7 : 2
Rahul scored 12 marks more than Tanvi. If the ratio of the score of Tanvi to that of Rahul is 3 : 4, what is the sum of their scores ?
A). 82
B). 83
C). 84
D). 85
The number of students studying in College A and B are in the ratio of 3 : 4. If 50 more students join College A. and there is no change in the number of students in College B, me ratio becomes 5 : 6
A). 540
B). 600
C). 680
D). 700