IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 609 - 616 of 968
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Question number: 609
Question
If the term of an A. P are P, Q, R respectively, then equals ________
Choices
| Choice (4) | Response | |
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a. | 1 | |
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c. |
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d. | 0 | |
Question number: 610
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. | 18 | |
b. | 16 | |
c. | 13 | |
d. | 19 | |
Question number: 611
Question
In a given A. P, if the term is and term is , then its term is ________
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Question number: 612
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
Question
If in an A. P. , , where denotes the sum of r terms of the A. P, then is equal to ________
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Question number: 614
Question
Three numbers are inserted between the 2 numbers and 30 such that an A. P. results. Find the fourth numbers.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 24 | |
b. | 23 | |
c. | 32 | |
d. | 42 | |
Question number: 615
Question
If the sum of terms of an A. P. is and the sum of terms is , then the sum of terms is ________
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| Choice (4) | Response | |
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a. | ||
b. |
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d. | 0 | |
Question number: 616
Question
If the sum of first n even natural numbers is equal to K times the sum of first n odd natural numbers, and then K is equal to ________
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