Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 1] 204
  • 2] 121
  • 3] 225
  • 4] 104
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The common difference of the A.P. \(\frac{1}{3}, \frac{{1 - 3b}}{3} , \frac{{1 - 6b}}{3}\)   . . . . . . is

 

  • 1]

    \(\frac{1}{3}\)

  • 2]

    \( - \frac{1}{3}\)

  • 3]

    -b

  • 4]

    b

Solution
2
Discuss

The sum of first five multiples of 3 is:

 

  • 1]

    90

  • 2]

    72

  • 3]

    55

  • 4]

    45

Solution
3
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
4
Discuss

The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?

  • 1] -49
  • 2] -44
  • 3] -39
  • 4] -34
Solution
5
Discuss

What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?

  • 1] 10,050
  • 2] 5050
  • 3] 5000
  • 4] 50,000
Solution
6
Discuss

Find the nth term of the following sequence :
5 + 55 + 555 + . . . . Tn

  • 1]

     

    5(10n - 1) 

  • 2]

     

    5n(10n - 1)

  • 3]

    5/9×(10n−1)

       

  • 4]

    (5/9)n×(10n−1)

Solution
7
Discuss

Which term of the A.P. 92, 88, 84, 80, ...... is 0?

  • 1]

    23

  • 2]

    32

  • 3]

    24

  • 4]

    28

Solution
8
Discuss

The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?

  • 1] 34
  • 2] 28
  • 3] 25
  • 4] 31
Solution
9
Discuss

How many 2-digit positive integers are divisible by 4 or 9?

  • 1]

    32

  • 2]

    22

  • 3]

    34

  • 4]

    30

Solution
10
Discuss

The first and last term of an A.P. is a and l respectively. If S is the sum of all the terms of the A.P. and the common difference is given by \(\frac{{{l^2} - {a^2}}}{{k - \left( {l + a} \right)}}\)   then k = ?

 

  • 1] S
  • 2] 2S
  • 3] 3S
  • 4] None of these
Solution
# Quiz