Taxi service charges an initial fee of TK. 21.50 at the beginning of a trip and an additional charge of TK. 4.50 for each 2/5 of amile traveled. What is the total charge for a trip of 3.6 miles?
A square with perimeter 16 is inscribed in a circle. What is the area of the circle?
Mr.X invests TK. 2400 in the Moder4n Bank at 5%. How much additional money must he invest at 8% so that the total annual income will be equal to 6% of his entire investment?
If (5-2x)x=1 and x≠0, then x=
How many times does the digit '4' come to write numbers from 1 to 100?
If a*b=ab/(b-a) for all numbers a and b such that a does not equal to b, what is the value of 5*(2*3)?
The ratio of x to y is 1/2.If the ratio of x+2 to y+1 is 2/3, then what is the value of x?
On a certain test , a student must select 3 out of 6 questions to answer. what is the total number of different combinations of 3 questions that the student can select?
Suppose, you begin reading a book on page h and end on page k. If you read each page completely and the pages are numbered and read consecutively, then how many page shave you read?
If a 5a=3b=25,then 30ab=
which of the following is the lowest positive integer that is divisible by 8,9,10,11, and 12?
The quantity of goods produced in firm is given by the equation x2+5x=6, where x is number of units produced in thousand units. If you solve this equation, what is the rational level of production?
If one root of the equation 2x2+3x-k=0 is 6, what is the value of k?
The length of a rectangle is 7 more than its width. If the perimeter of the rectangle is the same as the perimeter of a square of side 8.5, what is the length of a diagonal of the rectangle?
At a special sale, 5 tickets can be purchased for the price of 3 tickets. If 5 tickets are purchased at this sale, the amount saved will be what percent of the original price of the 5 tickets?