Vishal O75 Sec D

How many digits are there in Hindu-Arbic system?

• 20

• 10

• 30

• 40

Among the following which natural number has no predecessors.

• 2

• 30

• 1

• 0

what is the sum of 130+125 +191?

• 425

• 444

• 446

• 442

50 times of 6 is equal to ?

• 30

• 335

• 300

• 200

20 + (90/2) is equal to

• 45

• 65

• 40

• 25

what is the next prim number after 83

• 91

• 97

• 89

• 83

which number is perfect number ?

• 2

• 4

• 5

• 6

what is 90 degree in terms of pi?

• pi

• 2 pi

• pi/2

• n*pi

when is pi day celebrated around the world ?

• 14 Feb

• 14 March

• 14 April

• 12 March

Who is the Father of Mathematics?

• Aryabhatta

• Archimedes

• Srinivasa Ramanujan

• Newton