# IMO- Mathematics Olympiad Class 10: Questions 608 - 613 of 958

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 958 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## Question number: 608

MCQ▾

### Question

Between the numbers 5 and 50, 18 means are inserted, then their sum is ________

### Choices

Choice (4) Response

a.

695

b.

495

c.

795

d.

895

## Question number: 609

MCQ▾

### Question

If the term of an A. P are P, Q, R respectively, then equals ________

### Choices

Choice (4) Response

a.

0

b.

1

c.

d.

## Question number: 610

MCQ▾

### Question

The sum of all terms of the arithmetic progression having ten terms except for the first term, is 144, and except for the eight term, 70. Find the second term of the progression if the sum of the first and the seventh terms is equal to 20.

### Choices

Choice (4) Response

a.

19

b.

16

c.

18

d.

13

## Question number: 611

MCQ▾

### Question

In a given A. P, if the term is and term is , then its term is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 612

MCQ▾

### Question

In an A. P. , the sum of first n terms is, find its term

### Choices

Choice (4) Response

a.

224

b.

226

c.

216

d.

220

## Question number: 613

MCQ▾

### Question

If in an A. P. , , where denotes the sum of r terms of the A. P, then is equal to ________

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page