# Wipro Placement: Sample Questions 19 - 21 of 24

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## Question 19

### Question

MCQ▾

Complete the following series.

5, 8, 15, 24,45, 72, ?

Choice (4)

a.

75

b.

95

c.

215

d.

135

d.

### Explanation

Divide the series into two parts of odd and even term series.

Odd term series: 5,15, 45, ________, …

Even term series: 8,24, 72, …

By observation we can conclude that next term will follow odd term series.

Here, first term is 5.

Second term is 15, i.e..

Third term is 45, i.e..

Following the same pattern next term will be multiplication of 3 and its previous number.

So, next term will be

## Question 20

### Question

MCQ▾

If in a certain code “RANGE” is coded as 12345 and “RANDOM” is coded as 123678. Then the code for the word “MANGO” would be

Choice (4)

a.

82347

b.

82357

c.

89343

d.

84629

a.

### Explanation

Here, “RANGE” is coded as 12345 and “RANDOM” is coded as 123678.

We are asked to find the code word for “MANGO” word.

R is coded as 1

A is coded as 2

N is coded as 3

G is coded as 4

E is coded as 5

D is coded as 5

O is coded as 7

M is coded as 8

So, MANGO can be coded as 82347.

## Question 21

### Question

MCQ▾

The ratio between two numbers is and their product is 560. What is the difference between these two numbers?

Choice (4)

a.

21

b.

8

c.

12

d.

6

b.

### Explanation

Ratio of two numbers is .

Let the numbers be 5x and 7x.

Product of these two numbers is 560.

So,

So, numbers will be and

We are asked to find the difference between the two numbers.

Difference will be

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