# Broadcom Ltd Placement Questions & Answers :: Broadcom Ltd

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1 / 33

**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

**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.

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2 / 33

**Choose the correct option.**

Three solid metallic balls of radii, 3 cm, 4cm and 5 cm are melted and moulded into a single solid ball. The radius of the new ball is

A3 cm

B4 cm

C5 cm

D6 cm

ENone of above

**Answer:**** Option D **

**Explanation:**

Total volume of three metallic balls(spheres)= (4/3)*Pi*(3^3+4^3+5^3)

=(4/3)*Pi*216= Volume of new ball with radius 'r'

so (4/3)*Pi*r^3=(4/3)*Pi*216

r^3=216 , r=6

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3 / 33

**Choose the correct option.**

A, B and C enter into a partnership and their shares are in the ratio 1/2:1/3:1/4. After 2 months, A withdraws half of his capital and after 10 months, a profit of Rs. 378 is divided among them. What is B’s share?

ARs .129

BRs. 144

CRs. 156

DRs. 168

**Answer:**** Option B **

**Explanation:**

Ratio of investment = 1/2 : 1/3 : 1/4,

taking lcm of (2,3,4) and divide by this ratio's we get 6 : 4 : 3,

we have to assume there initial investment is 6x, 4x and 3x

now we can write A : B : C = (6x * 2 + 3x*10) : (4x *12) : (3x*12) after doing calculation we got

= 42:48:36 more simplify it

= 7:8:6

now we need to calc B'share = (8/21) * 378 = 144

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4 / 33

**Choose the correct option.**

Divide 45 into four parts such that when 2 is added to the first part, 2 is subtracted from the second part, 2 is multiplied by the third part and the fourth part is divided by two, all result in the same number.

A8, 12, 5, 20

B6,10,15,11

C2,8,14,9

DNone of these

**Answer:**** Option A **

**Explanation:**

If x is common result, then numbers are 2x, x/2, x+2, x-2

and

2x+ x/2+ x+2+x-2 = 45

4x+x/2 =45

9x =90

x=10

hence numbers are

8,12,5,20

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5 / 33

**Choose the correct option.**

Few years ago on 31st January on her 26th birthday a lady laid a baby. Now what's the sum of their ages?

A37

B38

C43

D51

**Answer:**** Option B **

**Explanation:**

All other options have thier unit place digit odd while we require even digit

because before x years she laid a baby. That time she is 26years old

So, now sum of thier ages is 26 + 2x. The total should be even number.

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6 / 33

**Choose the correct option.**

What will be the value of x^(1/2).x^(1/4).x^(1/8)............to infinty.

Ax^2

Bx

Cx^(3/2)

Dx^3

**Answer:**** Option B **

**Explanation:**

x^(1/2+1/4+1/8.infinite )so x^(1/2(1+1/2+1/4+.....))

=x^(1/2(1/(1-1/2))....................infinite terms formula a/1-r for a+ar+.....

=x^1

=x

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7 / 33

**Choose the correct option.**

A and B are partners in a business. A contributes 1/4 of the capital for 15 months and B received 2/3 of the profit .For how long B’s money was used.

A6 months

B9 months

C10 months

D1 year

**Answer:**** Option C **

**Explanation:**

B received 2/3 of the profit

A : B = 1 : 2

Let the total capital = x

Then A's capital = x/4

B's capital = x – x/4 = 3x/4

Assume B's money was used for b months

Then A:B = (x/4)*15 : (3x/4)*b = 1 : 2

15/4 : 3b/4 = 1 : 2

15 : 3b = 1 : 2

5 : b = 1 : 2

5/b = 1/ 2

b = 5*2 = 10 months

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8 / 33

**Choose the correct option.**

In seven given numbers,the average of first four numbers is 4 and that of last four numbers is also 4. If the average of these seven numbers is 3, the fourth number is?

A3

B4

C7

D11

**Answer:**** Option D **

**Explanation:**

let 7 numbers are a,b,c,d,e,f,g.

given avg of first 4 nums are 4...i.e (a+b+c+d)/4=4

a+b+c+d=16

given avg of last 4 nums are also 4..i.e.(d+e+f+g)/4=4

d+e+f+g=16

e+f+g=16-d

given avg of 7 nums are 3....i.e (a+b+c+d+e+f+g)/7=3

a+b+c+d+e+f+g=21

16+16-d=21

d=32-21

d=11

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9 / 33

**Choose the correct option.**

The boys and girls in a college are in the ratio 3 : 2. If 20% of the boys and 25% of the girls are adults, the percentage of students who are not adults is :

A58%

B67.50%

C78%

D82.50%

**Answer:**** Option C **

**Explanation:**

let total students will be 100 divide it in 3:2 =60/40

20 % 60=12 boys adult

25 % 40= 10girls adults

total adults = 22

no of students =100

100-22=78

78% are non adult

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10 / 33

**Choose the correct option.**

What was the day of the week on 12th January, 1979?

AFriday

BSunday

CWednesday

DMonday

**Answer:**** Option A **

**Explanation:**

First Split the given date:1978 + 12th january 1979

1978=1600+300+78

1600years has 0 odd days

300years has 1 odd days

In 78 years has a 19 leap years and 59 nonleap years.

19*2=38

59*1=59

In january has 12 odd days

so total odd days are=1+38+59+12=110

110%7=5(remainder)

so 5->Friday

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Here is the list of questions asked in Broadcom Ltd model papers for freshers Broadcom Ltd online test questions. Practice Broadcom Ltd Written Test Papers with Solutions and take Q4Interview Broadcom Ltd Online Test Questions to crack Broadcom Ltd written round test. Overall the level of the Broadcom Ltd Online Assessment Test is moderate. Only those candidates who clear the written exam will qualify for the next round, so practic all the questions here and take all the free tests before going for final selection process of Broadcom Ltd