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 ?
In a class of 55 students, 18 take music, 26 take art, and 2 take both art and music. How many students in the class are not enrolled in either music or art?
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
7 cm
9 cm
10 cm
14 cm
70 students are enrolled in Management, Accounting and Marketing. 40 students are in Management, 35 are in Accounting, and 30 are in Marketing. 15 students are enrolled in all three courses. How many of the students are enrolled in exactly two of the courses?
In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it?
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?
Recently, Sohan's hourly wage has been increase, Sohan's total weekly wage was $137. If his weekly hours were to decrease by 10 percent from last week's total hours, what would be the change, if any, in Sohan's total weekly wage?
How many times does the digit '4' come write numbers form 10 to 100 ?
A store has five shelves and average weekly sale is Tk. 30000. Shelf 1 accounted for 1/4 of the store's average weekly sales and shelves 2 and 3 each accounted for 2/3 as much as shelf 1. The shelf 4 alone accounted for as much as shelf 1, then which of the following could have been the average weekly sales of shelf 5 for the store?
If x-13=x and x =3 , what is the value of x?
Rahim averaged 70 in his first m number of exams. After taking n more exams, he had an overall average of 75. In terms of m and n, his average for the last n exams was
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?
Two merchants each sell an article for Tk.1000. If Merchant a computes his profit on cost price, while Merchant B computer his profit on selling price, they end up making profits of 25% respectively. By how much is the profit made by Merchant B greater than that of Merchant A?