# Tata Infotech Papers: Sample Questions 27 - 29 of 41

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## Question number: 27

### Write in Short

The average salary of 3 workers is 95 Rs. Per week. If one earns Rs. 115 and second earns Rs. 65 then what is the salary of the 3rd worker?

### Explanation

• Salary of 3 workers is 95 Rs. per week.
• One person earns Rs. 115 and second person earns Rs. 65.
• We are asked to find the salary of 3rd worker. Let it be Rs. x.

• Salary of 3rd worker is Rs. 105.

## Question number: 28

### Write in Short

Complete the following series.

10,18,15,23,20,28, ________

### Explanation

• Dividing the given series into two parts of odd and even terms,
• Odd term series: 10,15,20, …
• Even term series: 28,23,28, …
• Next term will follow the same pattern followed by odd term series.
• Here, each term is incremented by five numbers, i. e. Difference between two consecutive terms is + 5.
• So, next term will be

## Question number: 29

### Write in Short

Complete the following series.

18,20,22,20,28,20, ________

### Explanation

• Dividing the given series into two parts of odd and even terms,
• Odd term series: 18,22,28, …
• Even term series: 20,20,20, …
• Next term will follow the same pattern as odd term series is following.
• Here, first and second terms are 18 and 22, i. e. Difference between them is + 4.
• Second and third terms are 22 and 28, i. e. Difference between them is + 6.
• Same way, difference between third and fourth term should be + 8.
• So, fourth term will be
• Next term of the series is 36.