Question
A person buys 12 eggs for Rs.15 and sells them at 10 for
Rs14. What does he gain or loss%?Solution
The difference between the lengths of two parallel sides of a trapezium is 12 cm. The perpendicular distance between these two parallel sides is 60 cm. ...
If sin x + cos x = 7/5, find sin⁴ x + cos⁴ x:
A and B together can finish a task in 12 days. B and C together can complete the same task in 20 days. A and C together complete 33(1/3) % of the ta...
If 25 is added to the numerator of a fraction and its denominator is multiplied by 10, the value of the fraction increases by 35%. What is the numerator...
If total lakes in X are 25% more than total parks in P and total parks in X are 50% more than total parks in R, then find total parks and lakes in X.
The income of ‘A’ increases by 25% every year. If the present income of ‘A’ is Rs. 28125 and his expenditure 2 years ago from now was Rs. 12000,...
A cylinder of radius 12 cm containing water reduces its water level by 1 cm when a fully immersed hemi spherical ball is removed from this cylindrical c...
A train takes 3 hours to travel a certain distance at a speed of 60 km/h. If the speed is increased by 20 km/h, how long will it take to cover the same ...
The diagonals of a rhombus are 16 cm and 12 cm. Find the area of the rhombus.
Maximize Z = 3x + 5y
Subject to:
x – y ≥ 2
x + y ≥ 4
x, y ≥ 0
What can be concluded about the feasible region?