Question
A regular polygon has an interior angle of 144°. How
many sides does the polygon have?Solution
The formula for the interior angle of a regular polygon with n sides is: Interior angle = [(n - 2) * 180] / n. 144 = [(n - 2) * 180] / n. 144n = 180n - 360 36n = 360 n = 10.
If the price of a dozen eggs is ₹48, how much would 15 dozen eggs cost? Additionally, if the price increases by 25%, what will be the new cost of 15 d...
Series I:Â 16 21 36 81 209 621 1836
Series II:Â 20 60 240 1200 7200 43200 403200
In series II, if ‘x’ is the wrong term, then fin...
I. 3x2 – 15x + 18 = 0
II. 2y2 – 40y + 198 = 0
The probability of a student solving a problem correctly is 0.6. Out of 10 independent attempts, what is the probability that he solves at least 8 ?
Find the value of: {(78/4) + (15/6)} ÷ 2 - 6
In 2023, if all teams worked together to complete a project that requires 500 total worker-days, how many days would they take to complete the project?
I. x2 + 31x + 238 = 0
II. 2y2 + 70y + 612 = 0
A man standing on the top of a cliff observes a boat at an angle of depression of 45°. He then moves 30 meters further down the cliff, and the angle of...
Find the smallest number that is divisible by 4, 6, 10, and 13.
A train that is 300 meters long takes 15 seconds to pass a tree. What is the speed of the train in kilometers per hour?
