Aptitude Decimal Fraction Test Mcqs Online Preparation

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

2. There are two examinations rooms A and B. If 10 students are from A to B, then the number of students in each room is the. If 20 candidates are sent from ti to A, then the number of students in A is double the number of students in B. The number of students in room A is ?

3. A 12% stock yielding 10% is quoted at ?

4. The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.30, in which year commodity X will cost 40 paise more than the commdity Y ?

5. Find the odd man out 1, 2, 9, 16, 23, 25, 36 = ----- ?

6. 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 ?

7. 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 ?

8. 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 ?