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12 questions
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- 1. Multiple Choice
What is the sum of first 45 odd numbers?
2025
3025
2070
- 2. Multiple Choice
What is the sum of the terms?
1,7,13,19,25,31,37
123
133
266
- 3. Fill in the Blank
The middle term of the AP
11,15,19...131
- 4. Multiple Choice
Find the missing terms of the following AP:
12, _____, ______, 0, -4
a2 = 16
a2 = 8
a 3 = 4
a 3 = 20
- 5. Multiple Choice
Which term of the AP is 4,9,14,... Is 109?
21
22
23
24
- 6. Multiple Choice
How many natural numbers are there between 200 and 500, which are divisible by 7?
42
43
44
45
- 7. Fill in the Blank
The n th term of an AP is given by a n = 2 - 3n.
The 31st term of the AP is
- 8. Multiple Choice
An Arithmetic Sequence is obtained by
(More than one answer)
Adding a fixed number to the previous term.
Adding the common difference to the previous term.
Adding the first term to the previous term.
Subtracting the common difference from the first term.
- 9. Multiple Choice
The n th term of an AP is given by
a n = 5 - 2n 2
Will it form an AP?
Yes
No
- 10. Multiple Choice
What is the general formula for the n th term of an AP?
a + (n-1)d
a + (n+1)d
2a + (n - 1)d
2a + nd
- 11. Multiple Choice
Is the following sequence an AP?
√27, √48, √75 ...Yes
No
- 12. Multiple Choice
The 16 th term of an AP is 1 more than twice its 8 th term. If the 12 th term of the AP is 47, find the n th term.
4n - 1
4n + 1
- 4n + 1
- 4n - 1
- Answer choicesTagsAnswer choicesTags