# Chapter 2: Complex Numbers - Online Test

Q1. in + in+1 + in+2 + in+3 is
Answer : Option A
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Q2. The value of  (i+ in1 )  is
Answer : Option A
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Q3. The area of the triangle formed by the complex numbers z, iz, and z + iz in the Argand’s diagram is
Answer : Option A
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Q4. The conjugate of a complex number is 1/i-2 Then, the complex number is
Answer : Option B
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Q5. If z= , then | z | is equal to
Answer : Option C
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Q6. If z is a non zero complex number, such that 2iz2 =  then | z | is
Answer : Option A
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Q7. If | z 2 + i | 2 , then the greatest value of | z | is
Answer : Option D
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Q8. If , then the least value of | z | is
Answer : Option A
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Q9. If | z | = 1, then the value of  is
Answer : Option A
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Q10. The solution of the equation | z | z = 1+ 2i is
Answer : Option A
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