CBSE - Aptitude Mathematics

In the given series 8,9,10,11,12,13,14,15,16 the median is 1. 16 2. 18 3. 20 4. 12

The mean of the following numbers 3,8,5,11,8,4,7,2,8,9 is 1.7.5 2.6.5 3.8.5 4.9.5

The sum of upper class boundary and the lower class boundary divided by two is called 1.midway value 2.true class limits 3.frequency value 4.class size

The ratio of income of X and Y is 5: 4 and their expenditure is in the ratio of 3 : 2..If at the end of the year, each saves Rs. 800, the income of X is. (1) Rs. 1700 (2) Rs. 1800 (3) Rs. 2000 (4) Rs. 2200

A heap of stones can be made up into groups of 21. But when made up into groups of 16,20,25 and 45, there are 3 stones left in each case. Hence, the number of stones in the heap is 1. 7103 2. 7201 3. 7303 4. 7003