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 ?
g (x) = ax2 +24 For the function g defined above or is a constant and g(4) =8 . What is the value of g(-4) ?
If y= kx, where k is a constant , and y= 24 when x=6, what is the value of y when x =5 ?
(2x-1)2÷x-5 is equal to
If the difference between the circumference and diameter of a circle is 60 cm, then the radious of the circle is .
7 cm
9 cm
10 cm
14 cm
A triangular plot with sides of 25 feet, 40 feet and 55 feet is to be surrounded by a fence built on pillars set 5 feet apart How many pillars will be required to surround the plot?
Which of the following is the lowest positive integer that is divisible by 8,9,10,11 and 12?
How many times does the digit '4' come write numbers form 10 to 100 ?
If x-13=x and x =3 , what is the value of x?
The number of rooms at Hotel G is 10 less than twice the number of rooms at Hotel 11. If the total number of rooms at Hotel G and Hotel H is 425 , what is the number of rooms at Hotel G?
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the group. What is the average age of the two new students who joined the group?
A man spent 1/2 of his money and then lost 1/4 of the remainder. He was left with TK. 3,600. How much did he start with?