# WIPRO Placement Paper 7 | Written Test

This is a WIPRO model placement paper for placement preparation. This placement paper will cover aptitude, logical and reasoning, verbal and coding questions that are asked in WIPRO recruitment drives and also strictly follows the pattern of questions asked in WIPRO interviews. It is recommended to solve each one of the following questions to increase your chances of clearing the WIPRO interview.

### Quantitative Analysis

1. Find a positive number which when increased by 16 is equal to 80 times the reciprocal of the number.
1. 20
2. -4
3. -10
4. 4

```
4
```

Explanation:

Let the number be x.

Then x + 16 = 80 * (1/x)

x2 + 16x – 80 = 0
x2 + 20x – 4x – 80 =0
(x + 20) (x -4)
Therefore x = 4

2. The LCM. of two numbers is 30 and their HCF. is 15. If one of the numbers is 30, then what is the other number?
1. 30
2. 25
3. 15
4. 20

```
15
```

Explanation:

Say another number = x

Product of two numbers = product of HCF and LCM
=> x.30 = 15*30
=> x=15

3. Which of the following is the largest of all ?
1. 7/8
2. 15/16
3. 23/24
4. 31/32

```
31/32
```

Explanation:

LCM (8, 16, 24, 32) = 96
7/8 = 84/96
15/16 = 90/96
23/24 = 92/96
31/32 = 93/96
Hence, 31/32 is the largest of all.

4. Three friends A, B and C are employed to make pastries in a bakery. Working individually, they can make 60, 30 and 40 pastries respectively in an hour. They decided to work together but due to lack of resources, they had to work on shifts of 30 minutes. Find the time taken to make 185 pastries.
1. 4 hours
2. 3 hours 45 minutes
3. 4 hours 15 minutes
4. 5 hours

```
4 hours 15 minutes
```

Explanation:

It is given that A, B and C make 60, 30 and 40 pastries respectively in an hour.
=> In 30 minutes, they will make 30, 15 and 20 pastries respectively.
So, in one cycle of 1 hour 30 minutes where each works for 30 minutes, pastries made = 30 + 15 + 20 = 65
Now, in 2 cycles (3 hours), 130 pastries would be made.
In the next 30 minutes, A would make 30 pastries.
So, total time elapsed = 3 hours 30 minutes and pastries made = 130 + 30 = 160
In the next 30 minutes, B would make 15 pastries.
So, total time elapsed = 4 hours and pastries made = 160 + 15 = 175
In the next 15 minutes, C would make 10 pastries.
So, total time elapsed = 4 hours 15 minutes and pastries made = 175 + 10 = 185
Therefore, total time taken = 4 hours 15 minutes

5. Three pipes A, B and C were opened to fill a cistern. Working alone, A, B and C require 12, 15 and 20 minutes respectively. Another pipe D, which is a waste pipe, can empty the filled tank in 30 minutes working alone. What is the total time (in minutes) taken to fill the cistern if all the pipes are simultaneously opened ?
1. 5
2. 6
3. 7
4. 8

```
6
```

Explanation:

Let the capacity of the cistern be LCM(12, 15, 20, 30) = 60 units.
=> Efficiency of pipe A = 60 / 12 = 5 units / minute
=> Efficiency of pipe B = 60 / 15 = 4 units / minute
=> Efficiency of pipe C = 60 / 20 = 3 units / minute
=> Efficiency of pipe D = 60 / 30 = 2 units / minute
=> Combined efficiency of pipe A, pipe B, pipe C and pipe D = 10 units / minute

Therefore, time required to fill the cistern if all the pipes are opened simultaneously = 60 / 10 = 6 minutes

6. The ratio of the speed of two trains is 7:8. If the second train covers 400 km in 4 h, find out the speed of the first train.
1. 69.4 km/h
2. 78.6 km/h
3. 87.5 km/h
4. 40.5 km/h

```
87.5 km/h
```

Explanation:

Let the speed of the two trains be 7x and 8x.
Then, 8x = 400 / 4
=> 8x = 100 => x = 12.5 km/h.
Hence, speed of the first train = 7x = 7 × 12.5 = 87.5 km/h.

7. A motorboat crosses a certain distance in 1 hour and comes back in 1½ hours. If the stream is running at 3 km/h, find out the speed of motorboat in still water.
1. 10 km/h
2. 15 km/h
3. 12 km/h
4. None of these

```
15 km/h
```

Explanation:

Let the speed of motorboat in still water be x km/h. Then,
Downstream speed = (x + 3) km/h.
Upstream speed = (x – 3) km/h.
Then, (x + 3) × 1 = (x – 3) × 3/2
=> 2x + 6 = 3x – 9
=> x = 15.
So, the speed of motorboat in still water is 15 km/h.

8. Barack spends Rs 6650 to buy some goods and gets a rebate of 6% on it. After this, he pays a sales tax of 10%. What is his total expenditure?
1. Rs 6870.10
2. Rs 6876.10
3. Rs 6865.10
4. Rs 6776.10

```
Rs 6876.10
```

Explanation:

Rebate received by Barack = 6% of Rs 6650 = 6/100 × 6650 = 3/5 × 665 = Rs 399.
Sales Tax paid by Barack = 10% of Rs (6650-399) = 10% of Rs 6251 = Rs 625.10.
Therefore, Barack’s total expenditure = Rs (6251 + 625.10) = Rs 6876.10.

9. In a box, there are 10p, 25p and 50p coins in the ratio 4:9:5 with the total sum of Rs 206. How many coins of each kind does the box have?
1. 200, 360, 160
2. 135, 250, 150
3. 90, 60, 110
4. Cannot be determined

```
200, 360, 160
```

Explanation:

Let the number of 10p, 25p, 50p coins be 4x, 9x, 5x respectively. Then,
4x/10 + 9x/4 + 5x/2 = 206 (Since, 10p = Rs 0.1, 25p = Rs 0.25, 50p = Rs 0.5)
=> 8x + 45x + 50x = 4120 (Multiplying both sides by 20 which is the LCM of 10, 4, 2)
=> 103x = 4120
=> x = 40.
Therefore,
No. of 10p coins = 4 x 40 = 160 (= Rs 16)
No. of 25p coins = 9 x 40 = 360 (= Rs 90)
No. of 50p coins = 5 x 40 = 200 (= Rs 100)

10. At present, the ratio between ages of Ram and Shyam is 6:5 respectively. After 7 years, Shyam’s age will be 32 years. What is the present age of Ram?
1. 32
2. 40
3. 30
4. 36

```
30
```

Explanation:

Let the present age of Ram and Shyam be 6x years and 5x years respectively.

Then 5x + 7 = 32
=> 5x = 25
=> x = 5
=> Present age of Ram = 6x = 30 years

### Verbal Reasoning

1. While trying to collect(I) an envelope from under the table (II), Mr. X fell down (III) and was losing consciousness (IV)

Which one of the above underlined parts of the sentence is NOT appropriate?

1. I
2. II
3. III
4. IV

```
IV
```

Explanation:

Here, part IV is incorrect. “was losing consciousness” shows the continuous process of losing consciousness, but he was not in the process, rather he just lost consciousness.
So, the correction is ” was losing consciousness ”  => ” lost consciousness “.

Thus, IV is the correct choice.

Please comment below if you find anything wrong in the above post.

2. If she _______________ how to calibrate the instrument, she _______________ done the experiment.
1. knows, will have
4. should have known, would have

```
```

Explanation:

A)knows, will have //Present, future

c)had known, could have//past perfect, perfect conditional

D)should have known, would have //present, future

In a Type 3 conditional sentence, the tense in the ‘if’ clause is the past perfect, and the tense in the main clause is the perfect conditional or the perfect continuous conditional.

If clause (condition) Main clause (result)
If + past perfect perfect conditional or perfect continuous conditional
If this thing had happened that thing would have happened.
3. Choose the word that is opposite in meaning to the word “coherent”.
1. sticky
2. well-connected
3. rambling
4. friendly

```
rambling
```

Explanation:

Meaning – (of an argument, theory, or policy) logical and consistent.

Meaning – (of writing or speech) lengthy and confused or inconsequential.

Hence both are opposite to each other.

4. Didn’t you buy _________ when you went shopping?
1. any paper
2. much paper
3. no paper
4. a few paper

```
any paper
```

Explanation:

In general, any is used in negative sentences and questions.

5. Which of the following options is the closest in meaning to the sentence below?
“She enjoyed herself immensely at the party.”

1. She had a terrible time at the party
2. She had a horrible time at the party
3. She had a terrific time at the party
4. She had a terrifying time at the party

```
She had a terrific time at the party
```

Explanation:

Except for C, all other options indicate that she didn’t enjoy.

Horrible and terrible means fearful.

Terrific means wonderful.

6. Which one of the following combinations is incorrect?
1. Acquiescence – Submission
3. Flippancy – Lightness
4. Profligate – Extravagant

```
```

Explanation:

```Flippancy     ---> lack of respect or seriousness.
Acquiescence  ---> the reluctant acceptance of
something without protest.
Wheedle      --->  use endearments or flattery to
persuade someone to do something or
Profligate   ---> recklessly extravagant
```
7. Select the alternative meaning of the underlined part of the sentence.
The chain snatchers took to their heels when the police party arrived.

1. took shelter in a thick jungle
2. open indiscriminate fire
3. took to flight
4. unconditionally surrendered

```
took to flight
```

Explanation:

Both took to flight and took to their heels mean run away.

8. Select the correct SYNONYM for:
Shrill

1. Calm
2. Low
3. Noisy
4. Mild

```
C
```
9. Select the correct SYNONYM for:
Rowdy

1. Calm
2. Soft
3. Loud
4. Mild

```
C
```
10. Select the correct ANTONYM for:
Rude

1. Obscene
2. Blunt
3. Abusive
4. Decent

```
D
```

### Logical Reasoning

1. Find wrong number in series:
4, 5, 7, 12, 19, 35

1. 12
2. 19
3. 35

```
12
```

Explanation:

4 + 20 = 5
5 + 21 = 7
7 + 22 = 11
11 + 23 = 19
19 + 24 = 35

2. Find wrong number in series:
23, 29, 31, 33, 41, 43, 47

1. 29
2. 33
3. 41
4. 47

```
33
```

Explanation:

prime numbers from 23

3. Directions to solve Question 3 and 4: Each of the questions given below consists of a statement and/or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is/are sufficient to answer the given question.
(a) if the data in Statement I alone is sufficient to answer the question, while the data in Statement II alone is not sufficient to answer the question.
(b) if the data in Statement II alone is sufficient to answer the question, while the data in Statement I alone is not sufficient to answer the question.
(c) if the data in each Statement I and Statement II alone is sufficient to answer the question.
(d) if the data even in both Statements I and II together are not sufficient to answer the question.
(e) if the data in both Statements I and II together are necessary to answer the question.

4. What is the value of (x2/y2) + (y2/x2)?

I. x/y + y/x = 8
II. x/y – y/x = 4

1. (a)
2. (b)
3. (c)
4. (d)
5. (e)

```
(c) if the data in each Statement I and Statement II alone is sufficient to answer the question.
```
5. How many children are there between A and B in a row of children?
Statement I. A is tenth from the left in the row.
Statement II. B is exactly in the middle and there are fifteen children towards his right.

1. (a)
2. (b)
3. (c)
4. (d)
5. (e)

```
(e) if the data in both Statements I and II together are necessary to answer the question
```
6. Consider the following phrase:
Statement: All L are W.
Some P are W
All P are B
Conclusions:
I. Some B are W
II. Some W are L
Choose the correct option given below:

1. only conclusion I is true.
2. only conclusion II is true.
3. either conclusion I or conclusion II is true
4. neither conclusion I nor conclusion II is true
5. both conclusions I and II are true.

```
(e)
```
7. Consider the following phrase:
Statement: Mutual funds are subject to market risk
Assumptions:
I. One must not invest in Mutual Funds
II. One must consult a financial advisor before investing in this
Choose the correct option given below.

1. If only assumption I is implicit
2. If only assumption II is implicit.
3. If either I or II is implicit.
4. If neither I nor II is implicit.
5. If both I and II are implicit.

```
(b)
```
8. Consider the following phrase:
Statement: Money is a key factor in politics
Assumptions:
I. Poor should not involve in Politics
II. One can get into Politics inorder to get rich
Choose the correct option given below.

1. If only assumption I is implicit
2. If only assumption II is implicit.
3. If either I or II is implicit.
4. If neither I nor II is implicit.
5. If both I and II are implicit.

```
(d)
```
9. Statements:
I – Some S are L
II – Some C are P
III – All P is R
Conclusions:
I. Some P are L
II. Some C are R
Choose the correct option given below:

1. only conclusion I is true.
2. only conclusion II is true.
3. either conclusion I or conclusion II is true
4. neither conclusion I nor conclusion II is true
5. both conclusions I and II are true.

```
(d) neither conclusion I nor conclusion II is true
```
10. Find wrong number in series: 0, 1, 2, 3, 5, 8, 13, ..
1. 0
2. 1
3. 2
4. 3

```
2
```

Explanation:

Fibonacci Series

11. Find wrong number in series: 1, -8, 27, 64, 125, -216
1. -8
2. 27
3. 64
4. 125

```
64
```

Explanation:

Tn = 13 – 23 + 33 – 43 + …..

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