9th Class Mathematics Chapter 2 English Medium Online MCQ Test With Answer

The base of commonlogrithm is

• 2 A
• 10 B
• 5 C
• e D

The logarithm of 345 is.

• 1.5378 A
• 2.5738 B
• 2.5738 C
• 3.5738 D

Log e = ..............where 2.718

• 0 A
• 0.4343 B
• 1 C
• 0.22 D

For common logarithm the base is

• 1 A
• 10 B
• 5 C
• e D

The logarithm of unity to any base is

• 1 A
• 0 B
• 10 C
• e D

Scientific notation of 0.00034 is

• 3.4 x 10³ A
• 3.4 x 10^-4 B
• 3.4 x 104 C
• 3.4 x 10^-3 D

• a+b=1 A
• a-b=1 B
• a=b C
• a² -b² =1 D

log ₃20 =...................

• 2log₃ , 2+log₃ 5 A
• 2log₃ , 2+log₃2 B
• 2log₅ , 2+log₃2 C
• 2log₄ , 2+log₃5 D

If log 25 = x , then

• x=1 A
• x=2 B
• x=3 C
• x=4 D

Log 100=

• 2 A
• 3 B
• 1 C
• 10 D

In log b x = 725 , the characteristic is

• 0 A
• 1 B
• 2 C
• 3 D

If log 2 = 0.3010, then log 200 is

• 1.3010 A
• 0.6010 B
• 2.3010 C
• 2.6010 D

If the decimal point is moved to the left when converitng to scientific notation, the exponent is.

• Positive A
• Negative B
• Zero C
• Constant D

The logarithm of unity to any base is.

• 1 A
• 0 B
• 10 C
• e D

If log (x+3) = log (15x -4) then x is.

• 0.5 A
• 7 B
• 2 C
• 17 D