Quiz Discussion

If the first term of an A.P. is 2 and common difference is 4, then the sum of its 40 term is

Course Name: Quantitative Aptitude

  • 1] 3200
  • 2] 1600
  • 3] 200
  • 4] 2800
Solution
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# Quiz
1
Discuss

If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of (p + q) terms will be

  • 1] 0
  • 2] p - q
  • 3] p + q
  • 4] -(p + q)
Solution
2
Discuss

What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?

  • 1] 192
  • 2] 230
  • 3] 102
  • 4] 214
Solution
3
Discuss

What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?

  • 1] 68
  • 2] 156
  • 3] 142
  • 4] 242
Solution
4
Discuss

If sum of n terms of an A.P. is 3n2 + 5n and Tm = 164 then m =

  • 1]

    26

  • 2]

    27

  • 3]

    28

  • 4]

    None Of This

Solution
5
Discuss

The common difference of the A.P. \(\frac{1}{{2b}} \frac{{1 - 6b}}{{2b}}  \frac{{1 - 12b}}{{2b}}\)   . . . . . is

 

  • 1] 2b
  • 2] -2b
  • 3] 3
  • 4] -3
Solution
6
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
7
Discuss

In an A.P., if d = -4, n = 7, an = 4, then a is

  • 1]

    6

  • 2]

    7

  • 3]

    20

  • 4]

    28

Solution
8
Discuss

If log 2, log (2x -1) and log (2x + 3) are in A.P, then x is equal to ___

  • 1]

     

    5/2

  • 2]

    log25

  • 3]

    log32

  • 4]

     

    3/2

Solution
9
Discuss

What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?

  • 1]

    897

  • 2]

    1,64,850

  • 3]

    1,64,749

  • 4]

    1,49,700

Solution
10
Discuss

Find the 15th term of the sequence 20, 15, 10 . . . . .

  • 1] -45
  • 2] -55
  • 3] -50
  • 4] 0
Solution
# Quiz