Surds And Indices MCQ Set 2

Showing question 6 to 10 of total 27 MCQs

Solve the question on your notebook and check it by clicking (Answer and Explanation) below question.

Question No: 6

If m and n are whole numbers such that

mⁿ=121,

the value of

(m-1)ⁿ⁺¹ is

1. 10
2. 100
3. 1000
4. 10000

Question No: 7

256^0.16 × (256)^0.09

1. 2
2. 4
3. 8
4. 16

Question No: 8

What is the value of x ?

1. 1.5
2. 4.5
3. 7.5
4. 9.5

Answer: B

Explanation

x-2=-(x-7)

x-2=-x+7

2x=9

x=9/2 = 4.5

Question No: 9

Find the value of X.

(15)^3.5 × (15)^x = 15⁸

1. 2.29
2. 2.75
3. 4.25
4. 4.5

Question No: 10

If 5^a = 625, then the value of 5^{(a – 2)} is:

1. 5
2. 25
3. 125
4. 625