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- 1. Multiple Choice
The next term of an AP , , ,......is
- 2. Multiple Choice
If the nth term of an AP is (2n+1) then the sum of its first three terms is
6n+3
15
12
21
- 3. Multiple Choice
If 4, x1,x2,x3,28 are in AP then x3 is ______
19
23
22
cannot be determined.
- 4. Multiple Choice
The sum of first 'n' terms of an AP is (3n2+6n). The common difference of the AP is ______
6
9
15
-3
- 5. Multiple Choice
The 5th term of an AP is -3 and its common difference is -4. The sum of its first 10 terms is_________
50
-50
30
-30
- 6. Multiple Choice
The 13th term of an AP is 4 times its 3rd term. If its 5th term is 16 then the sum of its first ten terms is _______
150
175
160
135
- 7. Multiple Choice
The common difference of the AP , , ........is
p
-p
-1
1
- 8. Multiple Choice
Which term of an AP 72, 63, 54, ...... is 0 ?
8th
9th
10th
11th
- 9. Multiple Choice
The sum of first n odd natural numbers is _____
2n-1
2n+1
n2
n2 - 1
- 10. Multiple Choice
The first and last terms of an AP are 1 and 11. If the sum of its terms is 36, then the number of terms will be _______
5
6
7
8
- 11. Multiple Choice
Formula to find sum of n terms in an AP is ________
sn = a+ (n - 1)d
= (a +(n-1)d)
= (2a +(n-1)d)
= (2a +(n+1)d)
- 12. Multiple Choice
The sum of first 20 odd natural numbers is
100
210
400
420
- 13. Multiple Choice
What is the common difference of an AP in which a18 - a14 = 32?
8
-8
4
-4
- 14. Multiple Choice
The 8th term of an AP is 17 and 14th term of an AP is 29. The common difference of the AP is _______
3
2
5
-2
- 15. Multiple Choice
Which term of the AP 21, 42, 63, 84, . . . . is 210?
9th
10th
11th
12th
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