CBSE Board Practice

Class VI Class VII Class VIII Class IX Class X
CBSE Grade X - Arthimetic Progressions
Question 1
1.
    • Given
    • t

      n
    • =
    • 38
    • , a =
    • 2
    • , n =
    • 13
    • , find d
  • 4
  • 0
  • 3
  • 6
  • 2
Question 2
2.
    • Determine
    • t

      9
    • of an A.P whose
    • t

      20
    • is
    • 177
    • and common difference is
    • 9
  • 78
  • 79
  • 77
  • 81
  • 76
Question 3
3.
    • Determine
    • t

      8
    • of an A.P whose
    • t

      18
    • is
    • 71
      8
    • and common difference is
    • 1
      2
  • 31
    8
  • 31
    10
  • 31
    6
  • 33
    8
  • 29
    8
Question 4
4.
    • Which term of the A.P.
    • 5
      8
      ,
      33
      40
      ,
      41
      40
      ,
      . . .
    • is
    • 153
      40
    • ?
  • t

    18
  • t

    19
  • t

    17
  • t

    15
  • t

    16
Question 5
5.
    • Given a =
    • 8
    • , d =
    • 3
    • ,
    • S

      n
    • =
    • 119
    • , find n
  • 6
  • 9
  • 4
  • 7
  • 8
Question 6
6.
Find the sum of first 81 natural numbers
  • 3318
  • 3320
  • 3321
  • 3322
  • 3324
Question 7
7.
    • The common difference of the A.P.
    • 4
      3
      ,
      23
      15
      ,
      26
      15
      ,
      . . .
    • =
  • 1
    7
  • 1
    5
  • (
    -1
    5
    		 )
  • 3
    5
  • 1
    3
Question 8
8.
    • Find
    • t

      n
    • of the A.P
    • 1
      ,
      2
      ,
      3
      ,
      4
      ,
      5
      ,
      . . .
  • n
  • 4
    n
  • (
    n
    +
    1
    		)
  • (
    −
    n
    		)
Question 9
9.
    • How many terms of the A.P.
    • 5
      ,
      13
      ,
      21
      ,
      . . .
    • are needed to
    • make the sum
    • 333
    • ?
  • 6
  • 10
  • 9
  • 11
  • 8
Question 10
10.
    • The sum of first three terms of an A.P. is
    • 42
    • while their product is
    • 2058
    • .
    • Find the A.P.
  • 7
    ,
    13
    ,
    19
    ,
    . . .
  • 10
    ,
    17
    ,
    24
    ,
    . . .
  • 8
    ,
    15
    ,
    22
    ,
    . . .
  • 7
    ,
    14
    ,
    21
    ,
    . . .
  • 7
    ,
    12
    ,
    17
    ,
    . . .