ECAT Mathematics Induction and Binomial Theorem Online Test

Mathematics Induction and Binomial Theorem MCQS Online Test

ECAT Math Induction and Binomial Theorem Chapter Online Test

Total Questions: 84
Time Allowed: 40 Minutes
Total Marks: 84
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Math Induction and Binomial Theorem Chapter Test

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Math

1. 99th term of the series 2 + 7 + 14 + 23 + 34 + ……… is

2. (x – 1)³ =

3. If ‘x’ be so small that is its square and higher powers may be neglected them (1 – x)½(9 – 4x)½/(8+3x)⅓

4. The 3rd term in the expansion of (1 + 6/x)⅓ = ?

5. The nth term of the series 1 + 1+2/2 + 1+2+3/3 + …………. Is

6. The term independent of x in the expansion of (x² – 1/3x)⁹ is equal to

7. (1 + 2x)⁴ =

8. (1 + x)⁷ =

9. If (1 + x – 2x²)⁴ = 1 + a₁x + a₂x² + a₃x³ + …… then the value of a₂ + a₄ + a₆ + ……. + a₁₂ will be

10. If exponent I binomial expansion is 6, then the no. of terms are

11. The expansion of (1 – 3x)⅔ is valid if

12. The sum of even co-efficient in the expansion (1+x)ⁿ is valid for

13. The number of terms in the binomial expansion is

14. The positive integer just greater than (1+0.0001)¹⁰⁰⁰⁰ is

15.

16. The general term in the expansion (a + x)ⁿ is

17. For (1+x)ⁿ the 2nd term is

18. The middle tern in the expansion of (x + y)³⁰ us

19. If P, Q, R be the A.M., G.M., H.M. respectively between any two rational numbers a and b, then P – Q is

20. The number of terms in the expansion (x² – 1/x²)⁷ is

21. If the middle term in the expansion (a + b)ⁿ is n/2 +1, then n is

22. If in the expansion of (1 + x)ⁿ, co-efficients of 2nd, 3rd and 4th terms are in A.P., then x =

23. If ‘n’ is even them the middle term in the expansion of (a+b)ⁿ will be

24. The co-efficient of x⁴ in the expansion of (x/2 – 3/x²)¹⁰ is

25. If n is any positive integer, then 1/1.2 + 1/2.3 + 1/3.4 + …….. + 1/n(n+1) =


 

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3 Comments

  1. There must be reasons for every question that how this answer /why this answer, mention at the end of the tests.

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