CBSE - Aptitude Mathematics

If 8a = 6b and 3a = 0 then 1. a and b are equal 2. a = 6 3. a = 6 and b = 8 4. None of these

What price should a shopkeeper mark on an article, costing him Rs, 153, to gain 20% after allowing a discount of 15% ? 1) Rs. 224 2) Rs. 216 3) Rs. 184 4) Rs. 162

In a monthly test, the marks obtained in English by 16 students of a class are as follows: 0, 0, 2, 2, 3, 3, 3, 4, 5, 5, 5, 5, 6, 6, 7, 8 The arithmetic mean of the marks obtained is: 1. 3 2. 4 3. 5 4. 6

If the side of a square increases by 40%, then the area of the square increases by 1. 16% 2. 116% 3. 96% 4. 40%