Basics Mathematics (3300001) MCQs

MCQs of Logarithm

Showing 21 to 30 out of 50 Questions
21.

logaa=______

(a)

0

(b)

1

(c)

a

(d)

None of these

કોઈ પણ નહી

Answer:

Option (b)

22.

log x2=______

(a)

log2x

(b)

log2x

(c)

2logx

(d)

log x2

Answer:

Option (c)

23.

log23+log65+log54=______

(a)

0

(b)

1

(c)

54

(d)

4

Answer:

Option (a)

24.

logxy×logyx=______

(a)

0

(b)

1

(c)

logyx2

(d)

logxy2

Answer:

Option (b)

25.

If log2a=2 then a=______

જો log2a=2 હોય તો a=______

(a)

1

(b)

2

(c)

4

(d)

8

Answer:

Option (c)

26.

3log32=______

(a)

1

(b)

2

(c)

3

(d)

9

Answer:

Option (b)

27.

If loga0.01=-2 then a=______

જો loga0.01=-2 હોય તો a=______

(a)

100

(b)

1

(c)

10

(d)

0.01

Answer:

Option (c)

28.

If log x+logx+1=log2 then x=______

જો log x+logx+1=log2 હોય તો x=______

(a)

0

(b)

1

(c)

2

(d)

3

Answer:

Option (b)

29.

log522500=______

(a)

4

(b)

5

(c)

8

(d)

-5

Answer:

Option (a)

30.

log32÷log16=______

(a)

2

(b)

log2

(c)

54

(d)

log54

Answer:

Option (c)

Showing 21 to 30 out of 50 Questions