Related Questions

The product P of two prime numbers is between 9 and 55. If one of the prime numbers is greater than 2 but less than 6 and the other is greater than 13 but less than 25, then P =
A 15
B 33
C 34
D 51
How many prime numbers are there between 56 and 100/
A 8
B 9
C 10
D 11
How many prime numbers are there between the positive integers 60 and 100?
A 9
B 6
C 7
D 8
Sum of 4 consecutive even numbers is greater than three consecutive odd numbers by 81 . If the sum of the least odd and even numbers is 59 then find the sum of largest of odd and even numbers is 59 then find the sum of largest odd and even numbers.
A 69
B 53`
C 65
D 72
In a set of three numbers, the average of first two numbers is 2. The average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers ?
A 3
B 6
C 9
D 24
In a set of 3 numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
A 3
B 2
C 2.5
D 3.5
There are two numbers, 1 number is 12 more than the 2"d number. The average of the two numbers is 19. If 2 is added in both numbers, find the ratio of the numbers.
A 5:9
B 11:9
C 4:9
D 9:5
There are two numbers, 1st number is 12 more than the 2nd number. The average of the two numbers is 19. If 2 is added in both numbers, find the ratio of the numbers.
A 5 : 9
B 11 : 9
C 4 : 9
D 9 : 5
There are two numbers , 1 st number is 12 more than the 2nd number . The average of the two numbers is 19. If 2 is added in both numbers , find the ratio of the numbers .
A 5 : 9
B 11 : 9
C 4 : 9
D 9: 5
The number of two digit prime numbers which remain prime even inverting the position of its digits is:
A 4
B 5
C 9
D 10

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