Knowing Mathematics

The Total Surface Area of a hemisphere is:

• 3π(r)square

• 2π(r)square

• 4π(r)square

• πr(r + l)

Which famous mathematician is known as "The Father of Geometry"?

• Aryabhata

• Euclid

• S. Ramanujan

• Pythagoras

In a right-angled ∆ABC (right angled at B), Pythagoras Theorem can be applied as:

• AB² = AC² + BC²

• AC² = AB² + BC²

• BC² = AC² + AB²

• None of the above is correct

If the side of a cube is tripled, then its volume increases ___________ times.

• Three

• Nine

• Twenty Seven

• Hundred

Who gave the concept of Probability?

• Ptolemy

• Blaise Pascal

• Euclid

• Archimedes

• Rene Descartes

Who is known as the "Father of Algebra"?

• Thales

• Diophantus

• S. Ramanujan

• Archimedes

2/3 πr³ is the formula to find the ___________ of a Hemisphere.

• Total Surface Area

• Curved Surface Area

• Volume

• Diameter

If the radius of a cone increases 10 times and the slant height is decreased 5 times, then the change in the curved surface area is:

• The C.S.A. is doubled

• The C.S.A. is 1/5th of the original

• The C.S.A. remains the same

• The C.S.A. increases 10 times

Who is the "Father of Mathematics"?

• Archimedes

• Aryabhata

• Blaise Pascal

• Euclid

To find the Total Surface Area of a cylinder, use:

• 2πrh

• πr²h

• 2πr(r+h)

• 2πr²