Amazon Placement Questions & Answers :: Amazon

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Tot. Mock Test: 0


Total Qs: 4+

NA
SHSTTON
215
Solv. Corr.
134
Solv. In. Corr.
349
Attempted
1 M:4 S
Avg. Time

1 / 4

Choose the correct option.

A' and 'B' complete a work togather in 8 days.If 'A' alone can do it in 12 days.Then how many day 'B' will take to complete the work?


A25 days

B24 days

C20 days

DNone of these

 View Answer |  Submit Your Solution | Important Formulas | Topic: Time and Work | Asked In AccentureAdobeAlcatel-LucenteLitmus5 |

Answer: Option B

Explanation:

A & B one day work = 1/8
A alone one day work = 1/12
B alone one day work = (1/8 - 1/12) = ( 3/24 - 2/24)
=> B one day work = 1/24
so B can complete the work in 24 days.

ShortCut By :: Aradhya

 A = 12, A+B = 8, B = ?

Take LCM of A & A+B = 24.

So, A=12*2 = 24, A+B = 8*3 = 24, B = 1*24 = 24.

Answer: B = 24days.

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NA
SHSTTON
197
Solv. Corr.
222
Solv. In. Corr.
419
Attempted
1 M:52 S
Avg. Time

2 / 4

Choose the correct option.

If A alone can do a piece of work in 8 days and B alone can do the same work in 12 days. How many days A and B required to finish the same work if they work togather?


A24/5 days

B24 days

C5day days

D5/24 days

ENone of these

 View Answer |  Submit Your Solution | Important Formulas | Topic: Time and Work | Asked In Broadcom LtdAccentureAdobe2 |

Answer: Option A

Explanation:

A alone one day work = 1/8
B alone one day work = 1/12
Both A and B one day work = (1/8 + 1/12) = (3/24 + 2/24)
= 5/24
so A and B together finish the work in 24/5 day
or 4 4/5 days.

Submit Your Solution

NA
SHSTTON
60
Solv. Corr.
93
Solv. In. Corr.
153
Attempted
0 M:44 S
Avg. Time

3 / 4

Choose the correct option.

When a number is divided by 13, the remainder is 11. When the same number is divided by 17, then remainder is 9. What is the number ?


A339

B349

C369

DData inadequate

 View Answer |  Submit Your Solution | Important Formulas | Topic: Numbers | Asked In AccentureAdobeAmazon1 |

Answer: Option B

Explanation:

x = 13p + 11 and x = 17q + 9

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NA
SHSTTON
29
Solv. Corr.
25
Solv. In. Corr.
54
Attempted
0 M:0 S
Avg. Time

4 / 4

Choose the correct option.

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?


A120 metres

B180 metres

C324 metres

D150 metres

 View Answer |  Submit Your Solution | Important Formulas | Topic: Problems on Trains | Asked In Tech MahindraAmazonAcuvate Software1 |

Answer: Option D

Explanation:

Length of the train = (Speed x Time) =50/3 x 9 m = 150 m.

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