Ramanujan day talent test

What is the next number of the following series

1,5,9,13,____

• 15

• 16

• 17

• 18

When we are celebrating National Mathematics Day

• December 22

• December 26

• December 20

• December 24

How many cubes are there in the figure ?

• 14

• 15

• 16

• 17

Which of the following is an odd one

• 12

• 15

• 18

• 20

What is the radius when diameter is 10?

• 5

• 6

• 4

• 8

Find the value of

6+(6+3)÷3-7

• 1

• 2

• 3

• 4

Who invented the letter '0'

• Bhaskaracharya

• Ramanujan

• Bramhagupta

• Aryabhatta

What is three-fifth of 50?

• 10

• 20

• 30

• 15

How many days are there in a leap year?

• 365

• 366

• 360

• 364

Numbers that can be divided only by 1 or themselves are called?

• Prime numbers

• Composite numbers

• Even numbers

• Odd numbers