# Quiz Discussion

If a + 1, 2a + 1, 4a - 1 are in A.P., then the value of a is:

Course Name: Quantitative Aptitude

• 1]

1

• 2]

2

• 3]

3

• 4]

4

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

How many terms are there in 20, 25, 30 . . . . . . 140?

• 1] 22
• 2] 25
• 3] 23
• 4] 24
##### Solution
2
Discuss

The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?

• 1]

56

• 2]

62

• 3]

65

• 4]

69

##### Solution
3
Discuss

If an A.P. has a = 1, tn = 20 and sn = 399, then value of n is :

• 1] 20
• 2] 32
• 3] 38
• 4] 40
##### Solution
4
Discuss

The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?

• 1] -22
• 2] -25
• 3] -19
• 4] -28
##### Solution
5
Discuss

The 7th and 21st terms of an AP are 6 and -22 respectively. Find the 26th term

• 1] -34
• 2] -32
• 3] -12
• 4] -10
• 5] -16
##### Solution
6
Discuss

If three numbers be in G.P., then their logarithms will be in

• 1]

AP

• 2]

GP

• 3]

HP

• 4]

None Of This

##### Solution
7
Discuss

If S1 is the sum of an arithmetic progression of ‘n’ odd number of terms and S2 is the sum of the terms of the series in odd places, then $$\frac{{{S_1}}}{{{S_2}}}$$

• 1]

$$\frac{{2n}}{{n + 1}}$$

• 2]

$$\frac{n}{{n + 1}}$$

• 3]

$$\frac{{n + 1}}{{2n}}$$

• 4]

$$\frac{{n - 1}}{n}$$

##### Solution
8
Discuss

If the sum of the series 2 + 5 + 8 + 11 … is 60100, then the number of terms are

• 1]

100

• 2]

150

• 3]

200

• 4]

250

##### Solution
9
Discuss

15th term of A.P., x - 7, x - 2, x + 3, ........ is

• 1] x + 63
• 2] x + 73
• 3] x + 83
• 4] x + 53
##### Solution
10
Discuss

If the fifth term of a GP is 81 and first term is 16, what will be the 4th term of the GP?

• 1] 36
• 2] 18
• 3] 54
• 4] 24
• 5] 27
# Quiz