Indices Test

Result

Indices Test - 2

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

What value of `x` satisfies the equation 2^x+3 + 2^x+1 = 640?

A
6

B
2

C
4

D
5
Question 2
1 / -0

If (20)^2.5 ÷ (16)^4.5 × (80)^3.5 = 2 × (3125)³ - x, what is the value of x?

A
11/5

B
6/5

C
8/5

D
9/5
Question 3
1 / -0

Solve the following equations for x and y:

2^{x - 1}+ 3^{y - 1} = 5 and 2^{x + 3} - 3^y= 23

A
x = 2, y = 2

B
x = 3, y = 2

C
x = 2, y = 7

D
y = 3, x = 1
Question 4
1 / -0

Which of the following is the value of (125/8)^-2/3?

A
25/4

B
2/25

C
25/2

D
4/25
Question 5
1 / -0

If √2 = 1.4 and √3 = 1.7, what is the value of √48 - √12 + √32

A
8

B
10

C
9

D
-9