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Which of the following is correct?...

Which of the following is correct?

A

a) `15 ≡ 27 (mod 5) `

B

b) 15 ≡27 (mod 3)

C

c) 15 ≡ 27 (mod 7)

D

d) 15 ≡ 27 (mod 11)

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UNITED BOOK HOUSE-Question Paper 2014-Exercise
  1. In symmetric unimodal distribution

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  2. The greatest common divisor (GCD) of 18 and 27 is

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  3. Which of the following is correct?

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  4. If f(0) = 1, f(l) = 4, f(2) = 10, then the value of Delta^2 f(0) is

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  5. If alpha, beta, gamma are the roots of the equation px^3 - qx + r = 0,...

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  6. For any two events A and B. Which of the following is correct?

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  7. Two fair dice are thrown. If the sum of two numbers obtained is 8, the...

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  8. If the number of educated persons is 65% of the population, then in Pi...

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  9. If the AM of 13, 15, 16, 12, x be y and that of 13, 15, 16, 12 , y be ...

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  10. If arithmetic mean and coefficient of variation of x is 6 and 50% resp...

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  11. If 2u = 5x and the harmonic mean of x is -0.4, then find the harmonic ...

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  12. If P(A uu B) = 2/3 then find the value of P(A^C nn B^C).

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  13. If P(A | B) = a and P(B) = b, then express P(B - A) in terms of a and ...

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  14. What is the probability of drawing one white ball from a bag containin...

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  15. If P(A | B) = 1/4 , then what is the value of P(A^C/B)?

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  16. If P(A1) = 0.2, P(A2) = 0.1 and P(A3) = 0.3 and these events are mutua...

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  17. If the cost of a dozen eggs is Rs. 48. Let's find the cost of 32 eggs.

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  18. Write true or false: "Index number is unit free number".

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  19. Find the arithmetic mean of first n odd positive integers.

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  20. Find the harmonic mean of 1, 1/2. 1/3,………..1/n

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