## Surds and Indices - Aptitude Questions and Answers | Online Surds and Indices MCQ Aptitude Test

 Quiz Name Surds and Indices Category Online Aptitude Test Number of Questions 15 Time 30 Minutes Exam Type MCQ (Multiple Choice Questions)

1. (17.5) x (17.5) = 178
a. 2.29
b. 2.75
c. 4.25
d. 4.5

2. If an x - 1 Equals b x - 3, then the value of x is: b a.
a. 1/2
b. 1
c. 2
d. 7/2

3. If 100.48 = x, 100.70 = y, and xz = y2, the value of z is approximately:
a. 1.45
b. 1.88
c. 2.9
d. 3.7

4. If 5a = 3125, the value of 5(a - 3) is as follows:
a. 25
b. 125
c. 625
d. 1625

5. If 3(x - y) = 27 and 3(x + y) = 243, then the value of x is:
a. 0
b. 2
c. 4
d. 6

6. What is the product of (256)0.16 and (256)0.09?
a. 4
b. 16
c. 64
d. 256.5

7. [(10)150 (10)146] is the value.
a. 1000
b. 10000
c. 100000
d. 10 to the power 6

8. What is the sum of 1 + 1 + 1? 1 + x(b - a) + x(b - a) + x(b - a) + x( (c - a) 1 + x(a - b) + x(a - b) + x(a - b) + x( (c - b) 1 + x(b - c) + x(a - b) + x(a - b) + x( (a - c)
a. 0
b. 1
c. xa - b - c
d. None of these

9. (125)1.5 x (25)7.5 = 5?
a. 8.5
b. 13
c. 16
d. 17.5

10. (0.04) + 1.5 =?
a. 25
b. 125
c. 620
d. 625

11. 9n x 3n - 1 = 11. (243)n/5 x 32n + 1 =?
a. 1
b. 2
c. 9
d. 3n

12. 1 + a =? 12. 1 + 1 =? (n - m) 1 plus a (m - n)
a. 0
b. 1/2
c. 1
d. am + n

13. If m and n are both whole numbers, and mn = 121, (m - 1)n + 1 equals:
a. 1
b. 10
c. 121
d. 1000

14. xb/xc(b + c - a) is a 14. (c + a - b) xc/xa xc (a + b - c) = xa/xb(a + b - c) = xa/xb(a + b - c) =?
a. xabc
b. 1
c. xab + bc + ca
d. xa + b + c

15. If x = 3 + 22 and root x -1/x is equal to:
a. 1
b. 2
c. 22
d. 33

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