Quiz Discussion

If k, 2k – 1 and 2k + 1 are three consecutive terms of an AP, the value of k is

 

Course Name: Quantitative Aptitude

  • 1]

    -2

  • 2]

    -3

  • 3]

    2

  • 4]

    3

Solution
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# Quiz
1
Discuss

For A.P. T18 - T8 = ........ ?

  • 1] d
  • 2] 10d
  • 3] 26d
  • 4] 2d
Solution
2
Discuss

If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be

  • 1] 0
  • 2] 1
  • 3] 2
  • 4] -1
Solution
3
Discuss

What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?

  • 1]

    -30

  • 2]

    41

  • 3]

    -23

  • 4]

    -34

Solution
4
Discuss

The nth term of an A.P., the sum of whose n terms is Sn, is

  • 1] Sn + Sn - 1
  • 2] Sn - Sn - 1
  • 3] Sn + Sn + 1
  • 4] Sn - Sn + 1
Solution
5
Discuss

If Sn denote the sum of the first n terms of an A.P. If S2n = 3Sn , then S3n : Sn is equal to

  • 1] 4
  • 2] 6
  • 3] 8
  • 4] 10
Solution
6
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
7
Discuss

What is the sum of the first 11 terms of an arithmetic progression if the 3rd term is -1 and the 8th term is 19?

  • 1] 204
  • 2] 121
  • 3] 225
  • 4] 104
Solution
8
Discuss

The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?

  • 1] 23
  • 2] 17
  • 3] 20
  • 4] 26
Solution
9
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
10
Discuss

How many terms are there in the GP 5, 20, 80, 320........... 20480?

  • 1] 5
  • 2] 6
  • 3] 8
  • 4] 9
  • 5] 7
Solution
# Quiz