Request a call back

# Class 9 SELINA Solutions Maths Chapter 8 - Logarithms

## Logarithms Exercise Ex. 8(A)

### Solution 1(a)

Correct option: (i) 6

### Solution 1(b)

Correct option: (ii) 32

### Solution 1(c)

Correct option: (iii) 9

### Solution 1(d)

Correct option: (iv) 16

### Solution 1(e)

Correct option: (i)

### Solution 1(f)

Correct option: (ii)

(i)

(ii)

(iii)

(iv)

(i)

(ii)

(iii)

(iv)

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

(i)

(ii)

(iii)

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(i)

(ii)

(iii)

(iv)

(v)

(vi)

## Logarithms Exercise Ex. 8(B)

### Solution 1(a)

Correct option: (i) 1

### Solution 1(b)

Correct option: (ii) 2

### Solution 1(c)

Correct option: (iii) 6

### Solution 1(d)

Correct option: (iv)

### Solution 1(e)

Correct option: (i) 0.001

### Solution 1(f)

Correct option: (ii) 13

Positive value = +13

(i)

(ii)

(iii)

(iv)

(v)

(i)

(ii)

(iii)

(i)

(ii)

(iii)

(i)

(ii)

(iii)

(iv)

(i)

(ii)

(iii)

(iv)

(i)

(ii)

(iii)

(iv)

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(i)

(ii)

## Logarithms Exercise Ex. 8(C)

### Solution 1(a)

Correct option: (i)

### Solution 1(b)

Correct option: (ii) 8

### Solution 1(c)

Correct option: (iii)

### Solution 1(d)

Correct option: (iv) 0

### Solution 1(e)

Correct option: (i)

### Solution 1(f)

Correct option: (ii)

(i)

(ii)

(iii)

(i)

(ii)

(i)

(ii)

(iii)

(i)

(ii)

(i)

(ii)

(i)

(ii)

(iii)

## Logarithms Exercise Ex. 8(D)

### Solution 1(a)

Correct option: (i)

### Solution 1(b)

Correct option: (ii) 8

### Solution 1(c)

Correct option: (iii) 5

### Solution 1(d)

Correct option: (iv) 6

### Solution 1(e)

Correct option: (i) log 27

(i)

(ii)

(i)

(ii)