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12 questions
What is the sum of first 45 odd numbers?
2025
3025
2070
What is the sum of the terms?
1,7,13,19,25,31,37
123
133
266
The middle term of the AP
11,15,19...131
Find the missing terms of the following AP:
12, _____, ______, 0, -4
a_{2 }= 16
a_{2 }= 8
a _{3 = }4
a _{3 = 20}
Which term of the AP is 4,9,14,... Is 109?
21
22
23
24
How many natural numbers are there between 200 and 500, which are divisible by 7?
42
43
44
45
The n ^{th} term of an AP is given by a _{n }= 2 - 3n.
The 31st term of the AP is
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.
The n ^{th }term of an AP is given by
a _{n }= 5 - 2n ^{2}
Will it form an AP?
Yes
No
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
$$ Is the following sequence an AP?
Yes
No
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
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