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log10x = -2 হলে x এর মান কত হবে?

1. A 0.001
2. B 0.002
3. C 0.01
4. D 0.02

সমাধান করুনঃ xy = yx ; x = 2y(x≠0, y≠0)

1. A (x, y) = (2, 1)
2. B (x, y) = (4, 2)
3. C (x, y) = (6, 3)
4. D (x, y) = (8, 4)

log4256 = কত?

1. A 1
2. B 2
3. C 3
4. D 4

log2 1/8 এর মান কত?

1. A -3
2. B 1/2
3. C 2
4. D 3

log2/8 = কত?

1. A 1
2. B 1/2
3. C 1/3
4. D 2/3

4x+1 = 32 হলে x = কত?

1. A 1/8
2. B 2/3
3. C 3/2
4. D 3/5

log27 + log8 - log1000log1.2

1. A 23
2. B 32
3. C 45
4. D 57

log10x =-3 হলে x = ?

1. A 0.0001
2. B 0.001
3. C 0.01
4. D 0.1

2m+1 - 2m = ?

1. A 2
2. B 2m
3. C 2m+1
4. D 4

log1/a = 1 হলে ভিত্তি কত?

1. A 10
2. B 2
3. C a
4. D e

সমাধান করুনঃ 4x + 1 = 2x - 2

1. A x = -2
2. B x = -4
3. C x = 3
4. D x = 6

am × an =?

1. A a
2. B am + n
3. C am - n
4. D am/n