Timed Challenge - Answer & Submit | GK Mania

1 The resistance of a wire is proportional to its length and inversely proportional to?

A) Mass

B) Diameter

C) Volume

D) Cross-sectional area

2 What is the formula of plaster of Paris?

A) CaSO₄·½H₂O

B) Ca(OH)₂

C) CaSO₄·2H₂O

D) CaCO₃

3 What is the product of reaction of ethanol with acetic acid in presence of H₂SO₄?

A) Acetaldehyde

B) Ethyl acetate (ester)

C) Ethylene

D) Diethyl ether

4 What is the condition for y=mx+c to be tangent to y²=4ax?

A) c = a/m

B) c = am

C) c² = 4a/m

D) c = m/a

5 What element has the symbol Au?

A) Gold

B) Aluminum

C) Silver

D) Argon

6 What is cos(180°)?

A) −1

B) 0.5

C) 1

D) 0

7 What is the area enclosed by the ellipse x²/4 + y²/9 = 1?

A) 36π

B) 9π

C) 6π

D) 4π

8 What is the derivative of x^x?

A) x^x·ln x

B) x^(x−1)

C) x·x^(x−1)

D) x^x(ln x + 1)

9 What is the terminal velocity proportional to for a sphere in viscous fluid?

A) r

B) r² (radius squared)

C) 1/r

D) r³

10 What is the orthocenter of a right triangle?

A) At the circumcenter

B) At the vertex of the right angle

C) At the centroid

D) Outside the triangle

Quiz

1 The resistance of a wire is proportional to its length and inversely proportional to?

2 What is the formula of plaster of Paris?

3 What is the product of reaction of ethanol with acetic acid in presence of H₂SO₄?

4 What is the condition for y=mx+c to be tangent to y²=4ax?

5 What element has the symbol Au?

6 What is cos(180°)?

7 What is the area enclosed by the ellipse x²/4 + y²/9 = 1?

8 What is the derivative of x^x?

9 What is the terminal velocity proportional to for a sphere in viscous fluid?

10 What is the orthocenter of a right triangle?

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Quiz

1 The resistance of a wire is proportional to its length and inversely proportional to?

2 What is the formula of plaster of Paris?

3 What is the product of reaction of ethanol with acetic acid in presence of H₂SO₄?

4 What is the condition for y=mx+c to be tangent to y²=4ax?

5 What element has the symbol Au?

6 What is cos(180°)?

7 What is the area enclosed by the ellipse x²/4 + y²/9 = 1?

8 What is the derivative of x^x?

9 What is the terminal velocity proportional to for a sphere in viscous fluid?

10 What is the orthocenter of a right triangle?

Navigator

Quiz Results