# Wipro Placement Questions & Answers :: Wipro

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91 / 339

**What will be the output?**

```
void main()
{
int a[]={1,3,5,7};
printf("%d",&a[3]-&a[1]);
}
```

A1

B2

C3

D4

ENone of these

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

**Explanation:**

&a[i] = &a + i;

Hence, &a[3] - &a[1] = (&a + 3) - (&a + 1) = 2

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92 / 339

**Choose the correct option.**

What data structures you should use for dictionary searching and it should be capable of doing spell check also ?

Aarray

BHashing

Clinked list

DTree

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

**Explanation:**

Here is no explanation for this answer

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93 / 339

**Choose the correct option.**

The sum of the digits of a two digit number is 8. If the digits are reversed the number is decreased by 54. Find the number.

A17

B71

C18

D81

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

**Explanation:**

x+y = 8 -----(1)

(10y+x) - (10x+y) = 54 => 9y-9x = 54

y-x = 6 -------(2)

By solving eq. (1) and (2)

y = 7 and x = 1

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94 / 339

**Choose the correct option.**

The average age of 30 students is 9 years .If the age of their teacher is included ,it becomes 10 years . The age of the teacher (in years ) is :

A27

B31

C35

D40

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

**Explanation:**

Given 30 students avg. age = 9 years.

So total age of 30 students = 9*30 = 270 years.

Teacher's age included.

So, avg. of 30 students + one teacher = 10 years.

=> Total age of 30 students + one teacher = 10 * 31 = 310 years.

Therefore age of teacher = (310-270) = 40 years.

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95 / 339

**Choose the correct option.**

In a certain school, 20% of the students are below 8 years of age. The number of students above 8 years of age is (2/3) of the no. of students of 8 years age which is 96. what is the total number of students in the school?

A201

B200

C140

D198

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

**Explanation:**

Lets assume total student = x

0.2x+(2/3)*96+96=x

x=200

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96 / 339

**Choose the correct option.**

The average age of 24 boys and the teacher is 15 years. When the teacher's age is excluded, the average decreases by 1. What is the age of the teacher ?

A38 years

B39 years

C40 years

DData inadequate

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

**Explanation:**

Given one teacher + 24 students avg. age = 15 years.

So total age of one teacher + 24 students = 15*25 = 375 years.

Teacher's excluded

So, 24 students avg. age = 14 years.

=> Total age of 24 students = 24 * 14 = 336 years.

Therefore age of teacher = (375-336) = 39 years.

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97 / 339

**Choose the correct option.**

Sixteen men can complete a work in twelve days. Twenty four children can complete the same work in 18 days. 12 men and 8 children started working and after eight days three more children joined them. How many days will they now take to complete the remaining work?

A2 days

B4 days

C6 days

D8 days

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

**Explanation:**

Lets assume Men as "M" and children as "C" .

So as per the Question

16M*12 = 24C*18

=> M/C=9/4

Total work= 16*9*12

Lets assume days required to complete remaining work = x days.

(12*9+8*4)*8+(12*9+11*4)*x=16*9*12

x=608//152 = 4 days.

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98 / 339

**Choose the correct option.**

The average of the first five prime numbers greater than 20 is:

A32.2

B31

C31.01

D32

ENone of these

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

**Explanation:**

Here is no explanation for this answer

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99 / 339

**Choose the correct option.**

Two-third of one-seventh of a number is 87.5% of 240. Whar is the number?

A2670

B2450

C2205

D1470

ENone of these

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

**Explanation:**

Lets assume no. = x

2/3 * 1/7 * x = 87.5*240/100

By solving

x= 2205

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100 / 339

**Choose the correct option.**

A vessel is full of a mixture of spirit and water in which there is found to be 17% of spirit by measure. Ten litres are drawn off and the vessel is filled up with water. The proportion of spirit is now found to be 15 1/9%. How much does the vessel hold?

A70 litres

B90 litres

C80 litres

D85 litres

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

**Explanation:**

In 10L of water drawn amount of spirit present is = (17/100)*10 =1.7 L .

Lets assume x is the capacity of the vessel

from 17% amount of spirit comes down to 15 1/9% .

The difference between this percentage is (17% - 15 1/9%) = 17/9 % x

17/9 % x =1.7 litres .

=> x = 90 L

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Here is the list of questions asked in Wipro Placement Papers Wipro Aptitude Test Questions. Practice Wipro Written Test Papers with Solutions and take Q4Interview Wipro Online Test Questions to crack Wipro written round test. Overall the level of the Wipro 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 Wipro

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