Question
If ratio of interior & exterior angle of a regular
polygon is 4:5, then number of sides of the polygon isSolution
We know that I + E = 180 & I :E = 4:5 Let I = 4k & E = 5k So 4k + 5k = 180 or 9k =180 or k = 20 ; It means exterior angle = 20 = 360/N or N = 360/20 = 18
A shopkeeper sells a product for ₹720 at a profit of 20%. What was the cost price of the product?
21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.
If the median and mode of some observations is 5 and 9, respectively, then find the mean of those observations.
Matthew sells Chocolates in the packs of 6 chocolates, 12 chocolates, 18 chocolates and 24 chocolates etc, but the rate is necessarily uniform. One day ...
The marks obtained by 12 students out of a maximum of 30 in a test are given as 25, 28, 24, 22, 25, 18, 20, 22, 19, 23, 22, and 26. Find the sum of the ...
15 is divided in three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 83. Find the smallest part?
If the angular diameter of the sun is 20, how far from the eye a coin of radius 3.3 cm be kept to hide the sun?
14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:
The median 0f the given data will be 32, 25,33,27, 35, 29, and 30
You are provided with three sequences below. Determine the values of P, Q, and R, and then identify the relationship among them.<...
