Timed Challenge - Answer & Submit | GK Mania

1 What is A∩B called?

A) Intersection

B) Complement

C) Union

D) Difference

2 Sum of GP: a=7, r=3, n=4 terms?

A) 273

B) 283

C) 287

D) 280

3 What is the condition for maxima of f(x)?

A) f'(x) > 0

B) f'(x) = f''(x)

C) f''(x) > 0

D) f'(x) = 0 and f''(x) < 0

4 Inradius of triangle with sides 3,4,5?

A) 0.5

B) 2

C) 1

D) 1.5

5 How many bits are in a byte?

A) 16

B) 8

C) 32

D) 4

6 A hollow sphere: outer r=7, inner r=3. Volume? (π=22/7)

A) 1100 cm³

B) 1200 cm³

C) 1400 cm³

D) 1322.67 cm³

7 What is the condition for the quadratic ax²+bx+c=0 to have equal roots?

A) b²−4ac > 0

B) b²−4ac < 0

C) a = 0

D) b²−4ac = 0

8 What is the formula for sin(3A)?

A) 3sinA + 4sin³A

B) 3sinA − 4sin³A

C) sinA·sin2A

D) 4sin³A − 3sinA

9 What is a binary search algorithm?

A) Random search

B) Divide-and-conquer search method

C) Linear scan

D) No search

10 What is the value of sin(30°)?

A) 0

B) 1

C) 0.5

D) 0.707

Quiz

1 What is A∩B called?

2 Sum of GP: a=7, r=3, n=4 terms?

3 What is the condition for maxima of f(x)?

4 Inradius of triangle with sides 3,4,5?

5 How many bits are in a byte?

6 A hollow sphere: outer r=7, inner r=3. Volume? (π=22/7)

7 What is the condition for the quadratic ax²+bx+c=0 to have equal roots?

8 What is the formula for sin(3A)?

9 What is a binary search algorithm?

10 What is the value of sin(30°)?

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Quiz

1 What is A∩B called?

2 Sum of GP: a=7, r=3, n=4 terms?

3 What is the condition for maxima of f(x)?

4 Inradius of triangle with sides 3,4,5?

5 How many bits are in a byte?

6 A hollow sphere: outer r=7, inner r=3. Volume? (π=22/7)

7 What is the condition for the quadratic ax²+bx+c=0 to have equal roots?

8 What is the formula for sin(3A)?

9 What is a binary search algorithm?

10 What is the value of sin(30°)?

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Quiz Results