Related Questions

In a Class of 120 students numbered 1 to 120, all even numbered students opt for Physics , those whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subject ?
A 19
B 41
C 43
D 51
Among the 120 students of a class, numbered 1 to 120, all even numbered students opt for Bangla, whose numbers are divisible by 5 opt for English and those numbers are divisible by 7 opt for Math. How many opt for none of these three subjects?
A 19
B 41
C 57
D 26
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
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 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
What is the average of all numbers between 100 and 200 which are divisible by 13?
A 147.5
B 145.5
C 143.5
D 149.5
Find the sum of all numbers between I and 200 that are divisible by 4.
A 4900
B 5100
C 5170
D 5178
How many numbers from 11 to 50 are there which are exactly divisible by 7 but not by 3?
A 2
B 4
C 5
D 6
If k is divisible by 3, 9 and 12, which of the following is also divisible by these numbers?
A k + 15
B k + 35
C k + 45
D k + 72
If k is divisible by 2, 3 and 15, which of the following is also divisible by these numbers?
A k+5
B K+15
C K+20
D K+30

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