Progressions

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Question 1

Calculate the arithmetic mean of the given series: 2, 6, 10, 14, 18, 22, 26, 30.

  • A

    8

  • B

    16

  • C

    32

  • D

    None of the above

Question 2

Find the Sum of series: 2, 6, 10, 14, 18, 22, 26, 30

  • A

    32

  • B

    88

  • C

    128

  • D

    110

Question 3

Find the Arithmatic mean of series: 10, 7, 4, 1, -2

  • A

    13/2

  • B

    14/3

  • C

    4

  • D

    16/5

Question 4

Find the Sum of series: 10, 7, 4, 1, -2

  • A

    40

  • B

    21

  • C

    20

  • D

    18

Question 5

Find sum of series: 2, 2.5, 3, 3. 5, 4, 4. 5..........11

  • A

    120

  • B

    123.5

  • C

    126.5

  • D

    118.5

Question 6

Find Arithmetic Mean of series: 2, 2.5, 3, 3. 5, 4, 4. 5..........11

  • A

    13/2

  • B

    25/8

  • C

    19

  • D

    22/9

Question 7

Find the sum of series: 1, 3, 9, 27, 81, ..............39

  • A

    [(1-3^(10))]/(1-3)

  • B

    18

  • C

    10

  • D

    20

Question 8

Calculate the sum of given series: 1/3, 1/9, 1/27, 1/81.................

  • A

    1/4

  • B

    1/3

  • C

    1/2

  • D

    1

Question 9

For n positive integers, if their product is nn, then what will be their sum?
 

  • A

    Equal to n+(1/n)

  • B

    Equal to n

  • C

    A negative integer

  • D

    Never less than n2

Question 10

A tennis ball is initially dropped from a building of height 180 m. After striking the ground, it rebounds (3/5)th of the height from which it has fallen. Calculate the total distance that the ball traveled before it comes to rest.

  • A

    540 m

  • B

    600 m

  • C

    900 m

  • D

    None of the above

There are 16 questions to complete.

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