Q9/10: What is the smallest positive integer n for which ( (1+i)/(1-i) )^n = 1?
Anonymous Quiz
63%
4
20%
2
6%
8
9%
1
3%
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Q10/10: Find the square roots of -15 - 8i.
Anonymous Quiz
59%
1 - 4i and -1 + 4i
19%
1 + 4i and -1 - 4i
13%
4 - i and -4 + i
6%
4 + i and -4 - i
3%
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✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
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Every question is a step toward exam success!
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Good luck!
Q1/10: What is the value of cos(pi / 12)?
Anonymous Quiz
52%
(sqrt(3) + 1) / (2 * sqrt(2))
26%
(sqrt(3) - 1) / (2 * sqrt(2))
17%
(sqrt(2) + 1) / 2
0%
(sqrt(2) - 1) / 2
5%
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Q2/10: If sin x = 3/5 and cos y = -12/13, where x and y both lie in the second quadrant, find the value of sin(x + y).
Anonymous Quiz
48%
-56/65
23%
56/65
18%
-16/65
10%
16/65
3%
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Q3/10: Which of the following is true for the equation sin x = 2?
Anonymous Quiz
49%
No real solution exists
29%
x = pi / 2
10%
x = pi
6%
Infinite solutions exist
6%
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Q4/10: Find the value of i^k + i^(k+1) + i^(k+2) + i^(k+3) for any integer k.
Anonymous Quiz
51%
0
26%
1
10%
i
13%
-1
0%
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Q5/10: What is the value of |(2 + i) / (3 - i)|?
Anonymous Quiz
38%
1 / sqrt(2)
38%
1 / 2
17%
sqrt(2)
8%
1
0%
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Q6/10: Solve the inequality 3x < 15, where x is a natural number.
Anonymous Quiz
49%
{1, 2, 3, 4}
36%
{1, 2, 3, 4, 5}
12%
{0, 1, 2, 3, 4}
1%
{2, 3, 4}
1%
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Q7/10: Solve the linear inequality 5x - 3 < 3x + 1.
Anonymous Quiz
43%
x < 2
33%
x > 2
19%
x <= 2
3%
x >= 2
1%
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Q8/10: What is the interval notation for the solution set of x >= -2?
Anonymous Quiz
28%
(-2, infinity)
41%
[-2, infinity)
14%
(-infinity, -2]
16%
[-2, 0]
2%
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❤1
Q9/10: Solve the inequality 3(x - 2)/5 <= 5(2 - x)/3.
Anonymous Quiz
31%
x >= 2
34%
x < 2
25%
x <= 2
7%
x > -2
3%
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❤2
Q10/10: If a < b and c < 0, which of the following is true?
Anonymous Quiz
33%
ac < bc
37%
ac > bc
15%
ac = bc
13%
ac <= bc
1%
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👍2
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Class 11th maths notes
📚 ALL SUBJECTS PREMIUM BOOKS | SESSION 2026–27🚀 Start your preparation for the new CBSE Session 2026–27 with the best study books & question banks! 💯 ✨ Read these books completely and solve every question. With consistent practice, scoring 90–95%+ is absolutely…
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Start your preparation for the new CBSE Session 2026–27 with the best study books & question banks!💯
✨ Read these books completely and solve every question. With consistent practice, scoring 90–95%+ is absolutely possible!
✅ Updated as per the latest CBSE 2026–27 syllabus
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