CBSE - Aptitude Mathematics

The probability of 4 turning up at least once in two tosses of a fair die, is : 1. 1/9 2. 1/4 3. 11/36 4. 25/36

Twelve toys cost Rs.150. Cost of n such toys and 10% sales tax thereon is equivalent to 1.Rs.27/2 n 2.Rs.55/4 n 3.Rs.65/4 n 4.Rs.55/4 n

If x and y are negative, then which of the following statements is (are) always true? I. x + y is positive II. xy is positive III. x - y is positive 1. I only 2. II only 3. III only 4. I and III only

Shail and Monu finish a job in 21 days. Shail alone does it in 42 days. How long Monu working alone will take to do it? 1. 42 days 2. 31 1/2 days 3. 21 days 4. 35 days

The greatest number that will divide 719 and 930 leaving remainders 5 and 6 respectively is 1. 6 2. 7 3. 42 4. 4