How many prime numbers are there between 1 and 100 ?
28
24
25
27
Which of the following is a composite number: 37, 47, 57, 67?
37
57
67
47
How many pairs of prime numbers are there to express 18 as the sum of two prime numbers?
1
4
3
2
How many even primes are there between 1 and 100 ?
5
What is the next prime number in the following series 41 43 47 …......?
49
53
59
Fill in the blanks 0, 6, 24, 60,120, 210, ____?
320
336
352
330
who is known as computer of arithmatic?
charles barbage
abdul kalam
shakuntala devi
Brahmagupta
what is the partial derivative of e^(lnx^2) wrt y?
1/lnx
lnx
2lnx
0
what is the total no. of square u can create in a chess board?
228
216
204
256
In a pot there are some bacteria. And in every half day the volume of bacteria doubles and in 10 days the pot becomes full. Then in how many days the pot will become exactly half?
4.5
5.5
8.5
9.5
9