CBSE - Aptitude Mathematics

If a and b are the roots of the equation x - 6x + 6 = 0, then the value of a + b is 1. 36 2. 24 3. 12 4. 6

One-fifth of Gopals expenditure is .equal to one-half of his savings. If his monthly income is Rs. 5600, how much amount does he save per month ? (I) Rs. 3200 . (2) Rs. 2400 (3) Rs. 1600 (4) Rs. 800

Average age of a class of 39 boys is 10 years, but by the admission of one Harish, the average age is raised to 10 years and a month. What is Harish's age? 1. 13 years 4 months 2. 13 1/2 years 3. 14 years 4. 13 years

Which of the following numbers is the least common multiple of the numbers 2, 3, 4 and 5? 1. 12 2. 24 3. 30 4. 60