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Question 1 of 30

Math

1. log e = …………………

∞

0.4343

Question 1 of 30

Question 2 of 30

2. Scientific notation of 416.9 is:

0.4169 x 10³

4.169 x 10²

4169 x 10⁻¹

41.69 x 10¹

Question 2 of 30

Question 3 of 30

3. Name the property of real numbers used in

Additive inverse

Multiplicative identity

Additive identity

Multiplicative inverse

Question 3 of 30

Question 4 of 30

4. logb a x logc b can be written as:

logac

logbc

logca

logab

Question 4 of 30

Question 5 of 30

5. The relation y = log_z x implies:

xy = z

yz = x

zy = x

xz = y

Question 5 of 30

Question 6 of 30

6. Imaginary part of –i(3i + 2) is:

–2

–3

Question 6 of 30

Question 7 of 30

7. Real part of 2ab (i + i²) is:

2abi

– 2abi

2ab

Question 7 of 30

Question 8 of 30

8. log p – log q is same as:

Log (p/q)

Log p/log q

Log(q/p)

Log (p – q)

Question 8 of 30

Question 9 of 30

9. The integral part of the common logarithm of a number is called:

Antilog

None of these

Characteristic

Mantissa

Question 9 of 30

Question 10 of 30

10. If x, y, z є R, z < 0, then x < y ⇒ …..

xi < yi

None of these

xy = yz

xz > yz

Question 10 of 30

Question 11 of 30

11. i⁹ = ………………….

– 1

– i

Question 11 of 30

Question 12 of 30

12. Who gave the idea of logarithms?

Henry Briggs

Jobst Burgi

Khwarizmi

John Napier

Question 12 of 30

Question 13 of 30

13. If a, b є R, then only one of a = b or a < b or a > b holds is called:

Multiplicative property

Additive property

Transitive property

Tracheotomy property

Question 13 of 30

Question 14 of 30

14. Base of common logarithm is:

Question 14 of 30

Question 15 of 30

15. log mⁿ = ………………..

mlogx

n logx

log(mn)

(log m)ⁿ

Question 15 of 30

Question 16 of 30

16. The logarithm of any number to itself as base is:

– 1

Question 16 of 30

Question 17 of 30

17. Those numbers which cannot be expressed as quotient of integers are called:

Irrational numbers

Real numbers

Rational numbers

Integers

Question 17 of 30

Question 18 of 30

18.

-4/5

4/5

5/4

-5/4

Question 18 of 30

Question 19 of 30

19. The numbers containing zero with natural numbers are called:

Irrational numbers

Whole numbers

Real numbers

Rational numbers

Question 19 of 30

Question 20 of 30

20. Exponential form of ⁷√x is:

x⁷

x⁹

x⅟ ⁷

Question 20 of 30

Question 21 of 30

21. The conjugate of 5 + 4i is:

5 + 4i

5 – 4i

–5 – 4i

–5 + 4i

Question 21 of 30

Question 22 of 30

22. Who prepared the logarithm table?

Jobst Burgi

Henry Briggs

John Napier

Khwarizmi

Question 22 of 30

Question 23 of 30

23. (27 x⁻¹)⁻⅔ =

Question 23 of 30

Question 24 of 30

24. The decimal part of the common logarithm of a number is called:

Mantissa

Base

Antilog

Characteristic

Question 24 of 30

Question 25 of 30

25. If x = log y, then y is called ……………….. of x .

common

base

mantissa

antilog

Question 25 of 30

Question 26 of 30

26. Logarithmic form of aˣ = n is:

a = logn x

x = loga n

a =logx n

x = logn a

Question 26 of 30

Question 27 of 30

27. A non-terminating, nonrecurring decimal represents:

Prime number

Irrational number

Natural number

Rational number

Question 27 of 30

Question 28 of 30

28. π (pi) is a/an:

Integers

Real number

Rational number

Irrational number

Question 28 of 30

Question 29 of 30

29. The logarithm of unity to any base is:

– 1

Question 29 of 30

Question 30 of 30

30. Value of e is:

2.718

3.1428

4.718

3.718

Question 30 of 30

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