Series and Progressions Questions for TCS Ninja Part 1

Question 1

Time: 00:00:00

1,2,2,3,3,3,4,4,4,4,1,1,2,2,2,2,3,3,3,3,3,3,4,4,4,4,4,4,4,4,………………………………….. Then what is the 2320 position of the number in the sequence?

4

3

2

1

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Question 2

Time: 00:00:00

There are 60 pebbles and 2 persons a and b. A takes 1 pebble, b takes 2 pebbles and again a takes 3 pebbles and b takes 4 pebbles and this goes on alternatively. Who takes the maximum number of pebbles?

B

Both

A

Cant be determined

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Question 3

Time: 00:00:00

The letters in the roadie are permuted in all possible ways and arranged in alphabetical order.find the word in the 44th rank?

AERDIO

AERODI

AERDOI

AEDROI

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Question 4

Time: 00:00:00

A series 1234123441234441234444.....n what is the value on 200th position..??

1

2

3

4

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Question 5

Time: 00:00:00

The sum of 2nd and 19th term of A.P. is equal to the sum of 8th, 15th and 12th term . find the term which is 0?

12

11

14

16

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Question 6

Time: 00:00:00

The sum of a series of numbers upto n terms is 1/n. Find the sum of all the numbers upto 2014

-1/2013*2013!

-1/2013*2014!

2014!

2013!

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Question 7

Time: 00:00:00

1,5,6 ,25, 26,30,31, 125,126,130,131,150,151,155,156,……… What is the value of 33rd term in the

3125

781

776

780

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Question 8

Time: 00:00:00

Two flashlights, of red and yellow colour respectively, flash at respective intervals of 9 seconds and 33 seconds, 24 seconds. In an interval of 250 seconds, what is the maximum possible difference in the number of times that the red and yellow lights flash?

27

20

7

5

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250/9-(250/33)=20

Question 9

Time: 00:00:00

The price of a commodity(in rupees per kilogram) is 100 + 0.1n, on the nth day of 2007 (n = 1, 2,….., 100), and then remains constant. On the other hand, the price of another commodity (in rupees per kilogram) is 89 + 0.15n, on the nth day of 2007 (n=1,2, …, 365). On which date in 2007, will the price of these two commodities be equal?

april 10

april 11

may 20

may 21

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