CBSE - Aptitude Mathematics

If the ordinate of a point on the parabola y 2 = 4x is twice the latus rectum, then the point is: 1. (8, 4) 2. (4, 8) 3. (8, 16) 4. (16, 8)

The simple interest on a sum of money is 1/9th of the principal and the number of years is equal to the rate per cent. The rate of interest per annum is 1. 9% 2. 4 1/2% 3. 3 1/3% 4. 3%

A.M., G.M., and H.M. of 1 and 2 are 1.1.5, 1.414, 1.333 2.3/2, v2, 1.3 3.1.5, v2, 4/3 4.3/2, 1.4142, and 1.3333

Every toy car costs three times as much to manufacture as a toy train. The manufacturer makes five times as many toy trains as toy cars. What is the percentage of the total manufacturing cost of toy car and toy trains which is due to making toy cars? 1. 25 2. 37 1/2 3. 50 4. 75

A candidate secured 20% marks in an exam, and failed by 10 marks. Another candidate secure 42% and got 1 mark more than the bare minimum to pass. The maximum number of marks is 1. 100 2. 80 3. 75 4. 50