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# Alcatel-Lucent Placement Questions & Answers :: Alcatel-Lucent

10.98K

## Total Qs: 2+

NA
SHSTTON
446
Solv. Corr.
279
Solv. In. Corr.
725
Attempted
1 M:11 S
Avg. Time

1 / 2

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

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.

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.

NA
SHSTTON
227
Solv. Corr.
282
Solv. In. Corr.
509
Attempted
0 M:45 S
Avg. Time

2 / 2

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

Explanation:

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

ShortCut By :: K

349-9=340 is divisible by 7

349-11=338 is divisible by 13