# AMAZON Aptitude Questions

1. A function f(x) is defined as f(x) = f(x - 2) - x(x + 2) for all the integer values of x and f(1) + f(4) = 0. What is the value of f(1) + f(2) + f(3) + f(4) + f(5) + f(6)?
• 0
• 89
• -89
• None of these
2. In △ABC, the internal bisectors of ∠ABC and ∠ACB met at I and ∠BAC = 50°. The measure of ∠BIC is
• 105°
• 115°
• 125°
• 130°
3. The difference between [3/5] of [2/3] a number and [2/5] of[1/4] of the same number is 288. What is the number?
• 960
• 850
• 895
• 955
4. A, B, C and D are four consecutive odd numbers and their average is 42. What is the product of B and D?
• 1860
• 1890
• 1845
• 1677
• None of these
5. BL and CM are medians of △ABC right angled at A and BC =5cm. If BL =3√5/2 cm, then the length of CM is
• 2√5
• 5√2
• 10√2
• 4√5
6. A sum of Rs 731 is divided among A, B and C such that 'A' receive 25% more than 'B' and 'B' receive 25% less than 'C'. What is C's share in the amount?
• Rs. 172
• Rs. 200
• Rs. 262
• Rs. 258
• None of these
7. In how many different ways can letters of the word "PRAISE" be arranged?
• 720
• 610
• 360
• 210
• None of these
8. If the numerator of a fraction is increased by 150% and the denominator of the fraction is increased by 300%, the resultant fraction is [5/18]. What is original fraction?
• 4/9
• 4/5
• 8/9
• 8/11
• None of these
9. A car covers the first 30 km of its journey in 45 minutes and the remaining 25 km in 30 minutes. What is the average speed of the car?
• 60
• 64
• 49
• 48
• None of these
10. Four examiners can examine a certain number of answer papers in 10 days by working for 5 hours a day. For how many hours a day would 2 examiners have to work in order to examine twice the number of answer papers in 20 days?
• 8
• 7.5
• 10
• 8.5
• None of The above