CBSE - Aptitude Mathematics

The eccentricity of the hyperbola 9x - 16y = 144 is: 1. 5/4 2. 9/7 3. 11/2 4. 16/9

An electric gadget is sold for Rs.220 cash or for Rs.100 cash down payment and following month Rs.124. Find the rate of interest charged under the installment plan. 1. 33 1/3% 2. 40% 3. 66 2/3% 4. 25%

The sum of the natural numbers is 1. sometimes a natural number 2. mostly a natural number 3. a natural number 4. not a natural number

If radices of a circle is doubled in length, what would be the change, in the area of the circle 7 1) Increase 8 times 2) Increase 4 times 3) Increase 2 times 4) No change

Gangoly purchased 13 tins at Rs.50 each, 25 tins at Rs.52 each and 2 tins at Rs.100 each. Average price per tin is 1.Rs.52.95 2.Rs.51.85 3.Rs.53.75 4.Rs.58