CBSE - Aptitude Mathematics

1/2 : 2/3 : 3/4 is the same as 1.2 : 3/2 : 4/3 2.6 : 9 : 10 3.5 : 7 : 9 4.12 : 16 : 18

If oranges are bought at the rate of 6 for a rupee, how many must be sold for a rupee in order to gain 20%? 1. 7 2. 5 3. 4 4. None of the above

Atul and Amul can do a job in 40 days. Amul and Anthony in 60 days, and Atul and Anothony in 80 days. Working alone, how many days will Anthony take accomplish it? 1. 480 days 2. 108 days 3. 72 days 4. 96 days

The sum of the deviation from the mean for any set of data is 1. finite 2. infinite 3. zero 4. one

The numbes x, y, z are proportional to 2, 3, 5. The sum ,of x, y, z is 100. If y ;= px - 10, then p is equal to 1) 3/2 2) 2 3) 5/2 4) 3