Question
The population of a town increased to 13,520 in 2022 at
a rate of 4% per annum. Find the population of that town in 2020.Solution
ATQ. Let P be the population of town in the year 2020 population in the year 2022 = A = 13,520 (given) Using the formula of CI- 
The height of a solid cylinder is 30 cm and the diameter of its base is 10 cm. Two identical conical holes each of radius 5 cm and height 12 cm are dril...
In a right-angled triangle, one angle is 60°. If the hypotenuse is 12 cm, find the length of the side opposite the 60° angle.
The average age of a group of 5 men is 30 years. If one man aged 35 leaves and a new person joins the group, raising the average age by 1 year, find the...
I). 2p 2  – 13p + 21 = 0
II). q 2  – 10q + 24 = 0
A company has two departments, A and B. Department A produces an average of 40 items per day. The production ratio of Department A to Department B is 4...
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The average age of Vimal and Kamali is 24 years, and the ratio of Kamali's age to Surya's age is 4:5. If the average age of Vimal, Kamali, and Surya is ...
Factor the polynomial: x³ - 6x² + 11x - 6.
For A = [[2,3],[-1,4]], find det(2A).
A mixture of 392 ml consists of milk and honey in the ratio of 9:5. If an additional 48 ml of milk and 400 ml of honey are mixed ...
