Question

(2015)
(2019)
1
the sum of all the prime numbers between 70 and 80 is
(A) 223
(B) 231
(C) 221 (D) 227
Which of the following statements is correct?
(A) Zero is an odd number
(B) Zero is an even number
(C) Zero is an prime number (D) Zero is neither an odd number nor an event
Assignment
1. What is the Percentage of prime numbers in the numbers from 1 to 20? (2014)
(A) 249
(B) 25% (C) 36% OS 40% 12-3.5 11
2. Which of the following is a prime number?
18
(A) 81
( 83
(C) 85 (D) 87
3. Which of the following is the smallest number that is the product of ty
prime numbers ? 31X3
(A) 32
BY
33 (C) 34
(D) 31
4. Which of the following is a prime number?
(A) 27 (B) 57 (C) 77
(D) 97
If the digits 6 and 9 in the number 36490
interchand
the​

Answer 1

Answer:

1) The sum of all the prime numbers between 70 and 80 is ans:(A) 223

2) Which of the following statements is correct?

ans:(B) Zero is an even number.

3) Assignment

1. What is the Percentage of prime numbers in the numbers from 1 to 20? (2014)

ans:OS 40%

2. Which of the following is a prime number?

18.ans:(C) 85

3. Which of the following is the smallest number that is the product of ty

prime numbers ? 31X3.

ans:(C) 34

4. Which of the following is a prime number?

ans : (D) 97