amazon aptitude questions
Answers
Answer:
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
Answer & Explanation
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2. In ΔABC, the internal bisectors of ∠ABC and ∠ACB met at I and ∠BAC = 50°. The measure of ∠BIC is
105°
115°
125°
130°
Answer & Explanation
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
Answer & Explanation
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
Answer & Explanation
5. The cost price of item A, Item A was sold at a profit of 10% and Item B was sold at a loss of 20%. If the respective ratio of selling price of items A and B is 11:12, what is the cost price of item B?
Rs.450/-
Rs.420/-
Rs.400/-
Rs.350/-
Rs.480/-
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
Answer & Explanation
7. In how many different ways can letters of the word "PRAISE" be arranged?
720
610
360
210
None of these
Answer & Explanation
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
Answer & Explanation
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
Answer & Explanation
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
Explanation: