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Every natural number except …… can be ex...

Every natural number except …… can be expressed as ……..

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An integer is chosen from the first twenty natural number, the probability that it is a prime number is ……………….. .

An integer is chosen from the first twenty natural number, the probability that it is a prime number is ……………….. .

NCERT TAMIL-NUMBERS AND SEQUENCES -Progress Check
  1. Euclid's division algorithm is a repeated application of division lemm...

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  2. The H.C.F of two equal positive integers k, k is :

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  3. Every natural number except …… can be expressed as ……..

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  4. In how many ways a composite number can be written as product of power...

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  5. The number of divisors of any prime number is …….

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  6. Let m divides n . Then G.C.D and L.C.M. of m,n are …… and …….

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  7. The positive values of k such that (k-3) -= 5 (mod 11) are ….

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  8. If 59-=3 (mod 7) ,46 -=4 (mod 7) then 105 -= …. (mod 7 ), 13-=…. (mod ...

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  9. The remainder when 7 xx 13 xx 19 xx 23 xx 29 xx 31 is divided by 6 is ...

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  10. Fill in the blanks for the following sequences 7, 13, 19,…

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  11. Fill in the blanks for the following sequences 2,…., 10,17,26,.……

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  12. A sequence is a function defined on the set of.

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  13. The n^(th) term of the sequence 0,2,6,12,20,….. Can be expressed as …....

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  14. Say True or False All functions are sequences.

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  15. The difference between any two consecutive terms of an A.P. is ….

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  16. If a and d are the first term and common difference of an A.P. then th...

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  17. If t(n)" is the " n^(th) term of an A.P., then t(2n) - t(n) is …..

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  18. The common difference of a constant A.P. is ……

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  19. If every term of an A.P. is multiplied by 3, then the common differenc...

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  20. Three numbers a, b and c will be in A.P. if and only if .

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