Basics Mathematics (3300001) MCQs

MCQs of Logarithm

Showing 41 to 40 out of 50 Questions
41.

If ax = by then ______

જો ax = by હોય તો ______

(a)

logab=xy

(b)

log alog b=xy

(c)

log alog b=yx

(d)

None of these

કોઈ પણ નહી

Answer:

Option (c)

42.

logx1x=______

(a)

0

(b)

-1

(c)

2

(d)

1

Answer:

Option (b)

43.

In the following which sentence is wrong :

નીચે આપેલા વિધાનમાથી ક્યુ વિધાન સાચું નથી.

(a)

log1+2+7=log 1+log 2+log 7

(b)

log3+4=log 3 ×log 4

(c)

log77=1

(d)

log101=0

Answer:

Option (b)

44.

If logx3=1 then x=______

જો logx3=1 હોય તો x=______

(a)

1

(b)

2

(c)

0

(d)

3

Answer:

Option (d)

45.

log216-log24=______

(a)

1

(b)

2

(c)

12

(d)

4

Answer:

Option (b)

46.

log23×log32=______

(a)

1

(b)

2

(c)

5

(d)

6

Answer:

Option (a)

47.

log4164=______

(a)

1

(b)

-3

(c)

-4

(d)

13

Answer:

Option (b)

48.

If log3log2x=1 then x=______

જો log3log2x=1 હોય તો x=______

(a)

8

(b)

6

(c)

2

(d)

5

Answer:

Option (a)

49.

logea+logeb=______

(a)

logealogeb

(b)

logba

(c)

logeab

(d)

logea+b

Answer:

Option (c)

50.

3log31=______

(a)

3

(b)

6

(c)

0

(d)

1

Answer:

Option (d)

Showing 41 to 40 out of 50 Questions