Arithmetic Progressions Test

Result

Arithmetic Progressions Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

In an AP if a = 1, a_n = 20 and S_n = 399, then n is

A
19

B
21

C
38

D
42
Question 2
1 / -0

The sum of first five multiples of 3 is

A
45

B
55

C
65

D
75
Question 3
1 / -0

The 4th term from the end of the AP : –11, –8, –5, ..., 49 is

A
37

B
40

C
43

D
58
Question 4
1 / -0

Two APs have same common difference. The first term of one of these is –1 and that of the other is – 8. Then the difference between their 4th term is

A
–1

B
–8

C
7

D
–9
Question 5
1 / -0

If (p – 1), (p + 3), (3p – 1) are in AP, then p is equal to

A
4

B
–4

C
2

D
–2
Question 6
1 / -0

The 21st term of the AP whose first two terms are –3 and 4, is

A
17

B
137

C
143

D
–143
Question 7
1 / -0

If the sum of n terms of an AP is 2n² + 5n, then its nth term is

A
4n – 3

B
3n – 4

C
4n + 3

D
3n + 4
Question 8
1 / -0

If 18, a, b, –3 are in AP, then a + b is equal to

A
19

B
7

C
11

D
15
Question 9
1 / -0

If the sum of p terms of an AP is q and the sum of q terms is p, then the sum of p + q terms will be

A
0

B
p – q

C
p + q

D
– (p + q)
Question 10
1 / -0

The first four terms of an AP, whose first term is –2 and the common difference is –2 are

A
–2, 0, 2, 4

B
–2, 4, –8, 16

C
–2, –4, –6, –8

D
–2, –4, –8, –16

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Re-Attempt Weekly Quiz Competition

Arithmetic Progressions Test - 6

Result

Arithmetic Progressions Test - 6

Score

-

Rank

-

SHARING IS CARING

Question 1

19

21

38

42

Question 2

45

55

65

75

Question 3

37

40

43

58

Question 4

–1

–8

7

–9

Question 5

4

–4

2

–2

Question 6

17

137

143

–143

Question 7

4n – 3

3n – 4

4n + 3

3n + 4

Question 8

19

7

11

15

Question 9

0

p – q

p + q

– (p + q)

Question 10

–2, 0, 2, 4

–2, 4, –8, 16

–2, –4, –6, –8

–2, –4, –8, –16

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