Complex Numbers and Quadratic Equations [BITSAT (Birla Institute of Technology & Science Admission Test) Mathematics]: Questions 12 - 19 of 26
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Question 12
Question MCQ▾
If are the cube roots of unity, then is equal to
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 | |
b. | ||
c. | ||
d. | All of the above |
Question 13
Question MCQ▾
The locus of point satisfying is –
Choices
Choice (4) | Response | |
---|---|---|
a. | Straight line | |
b. | A circle | |
c. | An ellipse | |
d. | A hyperbola |
Question 14
Question MCQ▾
If area of triangle on plane turned by number , and is , then is –
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 | |
b. | 2 | |
c. | 4 | |
d. | 6 |
Question 15
Question MCQ▾
If the area of the triangle formed by points , and is 50 square units, then|z| is –
Choices
Choice (4) | Response | |
---|---|---|
a. | 5 | |
b. | 10 | |
c. | 15 | |
d. | All of the above |
Question 16
Question MCQ▾
The locus of point z satisfying , where is a real number, is –
Choices
Choice (4) | Response | |
---|---|---|
a. | Circle | |
b. | Point of straight lines | |
c. | Hyperbola | |
d. | All of the above |
Question 17
Question 18
Appeared in Year: 2020
Question MCQ▾
If 16 identical pencils are distributed among 4 children such that each gets at least 3 pencils. The number of ways of distributing the pencils is?
Choices
Choice (4) | Response | |
---|---|---|
a. | 25 | |
b. | 35 | |
c. | 15 | |
d. | 40 |
Question 19
Appeared in Year: 2019
Question MCQ▾
If , where , then what is x equal to?
Choices
Choice (4) | Response | |
---|---|---|
a. | 2 | |
b. | 1 | |
c. | 0 | |
d. | 3 |