Aptitude Decimal Fraction Test Mcqs Online Preparation

1. The present age of these person in proportions 4 : 7 : 9. Eight years age, the sum of their ages was 56. Find their present ages (in years) ?

2. The least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder , is ?

3. The product of two numbers is 120 and sum of their squares is 289. The sum of the number is ?

4. The difference between a two-digits number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number ?

5. An observer 1.6 m tall is 203 away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The heights of the tower is ?

6. If a - b = 3 and a² + b² = 29 , find the value of ab ?

7. The captain of a cricket team of 11 members is 26 years old ans the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age whole team. What is the average age of the team ?

8. 617 + 6.017 + 0.617 + 6.0017 = ----- ?