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The sum of first 50 even numbers is...

The sum of first 50 even numbers is

A

1250

B

2550

C

1275

D

2275

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The sum of first 20 odd numbers is

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The sum of first 100 natural numbers is ………….

State whether the following statements are true or false. Give reasons for your answers. The sum of two even number is even .

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If the sum of five natural numbers is 50. Find the probability that the five numbers are even.

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VGS PUBLICATION-BRILLIANT-PROGRESSIONS-EXERCISE
  1. How many terms of A.P. -6, (-11)/2 , -5 …… are needed to obtain a sum ...

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  2. The sum of natural numbers from 1 to 100 is

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  3. The sum of first 50 even numbers is

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  4. The sum of first 20 odd numbers is

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  5. If x-1, x+3, 3x-1 are in A.P., then x is equal

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  6. The numbers -15, -11,-7,-3, is …………is

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  7. The next term of the A.P. sqrt(48), sqrt(75),sqrt(108), sqrt(147), …...

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  8. Which term of the Arithmetic Progression 24, 21, 18, ……. Is the first ...

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  9. Which term of the A.P. 125, 120, 115, ……….. Is the first negative?

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  10. Which term of the A.P 100 , 90, 80, ……….. Is zero?

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  11. (a+3d), (a+d), (a-d), ………… the next term of the A.P. is

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  12. The sum of 15 terms of the A.P. 4, 7, 10, ………. Is

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  13. If a(7) - a(3) = 32, then the common difference of the A.P. is

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  14. a(28)-a(23) = 15, then the common difference of the A.P. is

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  15. If a,b,c are in AP then b-a = …………..

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  16. The 17^(th) term of 1.1, 2.2, 3.3, 4.4, ………….. Is

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  17. The 25^(th) term of -300, -290, -280,………. is

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  18. How many numbers are divisible by 4 lying between 101 and 250 ?

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  19. The common ratio of the G.P. 3, 6, 12, 24, ………. Is

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  20. The common ratio of the G.P. 3, 6, 12, 24, ………. Is

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