Quiz Discussion

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?

Course Name: Quantitative Aptitude

  • 1] Rs. 2,00,000
  • 2] Rs. 1,05,000
  • 3] Rs. 4,05,000
  • 4] Rs. 6,50,000
Solution
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# Quiz
1
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What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

  • 1] 104
  • 2] 140
  • 3] 84
  • 4] 98
Solution
2
Discuss

If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first and third of these terms is 273, then the third term is :

  • 1] 13
  • 2] 9
  • 3] 21
  • 4] 17
Solution
3
Discuss

The first term of an Arithmetic Progression is 22 and the last term is -11. If the sum is 66, the number of terms in the sequence are:

  • 1]

    9

  • 2]

    10

  • 3]

    11

  • 4]

    12

Solution
4
Discuss

What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?

  • 1] 219
  • 2] 279
  • 3] 231
  • 4] 137
Solution
5
Discuss

Let S denotes the sum of n terms of an A.P. whose first term is a. If the common difference d is given by d = Sn – k Sn-1 + Sn-2 then k =

  • 1]

    1

  • 2]

    2

  • 3]

    3

  • 4]

    4

Solution
6
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
7
Discuss

If the nth term of an A.P. is 2n + 1, then the sum of first n terms of the A.P. is

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

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

  • 1] 1
  • 2] 2
  • 3] 3
  • 4] 4
Solution
10
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
# Quiz