Quiz Discussion

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

Course Name: Quantitative Aptitude

  • 1] 6
  • 2] 7
  • 3] 20
  • 4] 28
Solution
No Solution Present Yet

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# Quiz
1
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
2
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
3
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
4
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
5
Discuss

A piece of equipment cost a certain factory 6,00,000. If it depreciates in value, 15% the first year, 13.5% the next year, 12% the third year, and so on, what will be its value at the end of 10 years, all percentages applying to the original cost?

  • 1] Rs. 2,00,000
  • 2] Rs. 1,05,000
  • 3] Rs. 4,05,000
  • 4] Rs. 6,50,000
Solution
6
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
7
Discuss

The sum of first n odd natural numbers in

  • 1] 2n - 1
  • 2] 2n + 1
  • 3] n2
  • 4] n2 - 1
Solution
8
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
9
Discuss

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

  • 1]

    6

  • 2]

    7

  • 3]

    20

  • 4]

    28

Solution
10
Discuss

If the 7th term of a H.P. is 1/10 and the 12th term is 1/25, then the 20th term is

  • 1]

    1/41

  • 2]

    1/45

  • 3]

    1/49

  • 4]

    1/37

Solution
# Quiz