Surds and Indices - Aptitude Questions and Answers

Surds and Indices Questions and Answers

Learn and practice the chapter "Surds and Indices" with these solved Aptitude Questions and Answers. Each question in the topic is accompanied by a clear and easy explanation, diagrams, formulae, shortcuts and tricks that help in understanding the concept.

Use of Surds and Indices Questions and Answers

The questions and examples given in this section will be useful to all the freshers, college students and engineering students preparing for placement tests or any competitive exam like MBA, CAT, MAT, SNAP, MHCET, XAT, NMAT, GATE, Bank exams - IBPS, SBI, RBI, RRB, SSB, SSC, UPSC etc.

Practice with this online test to crack your placements and entrance tests!
1. If (x/y)a-1 = (y/x)a-3, then the value of 'a' is:

a. 1/2
b. 1
c. 2
d. 7/2

Answer: c. 2

2. Find the value of 1/(216)-2/3 + 1/(256)-3/4 + 1/(32)-1/5 is:

a. 102
b. 105
c. 107
d. 109

Answer: a. 102

3. Find the number of prime factors in 612 * (35)28 * (15)16/(14)12 * (21)11 is:

a. 56
b. 66
c. 95
d. 112

Answer: b. 66

4. Given: (9/4)a * (8/27)a-1 = 2/3
Find 'a'.

a. 1
b. 2
c. 3
d. 4

Answer: d. 4

5. The value of [(10)150 / (10)146] is:

a. 1000
b. 10000
c. 100000
d. 106

Answer: b. 10000