Ratio and Proportion
Solved Real-World-Problem of Ratio and Proportion QUESTION: A model village is built to scale. It has a scale of 1:26. A road has a real-life… Read More »Ratio and Proportion
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Saima Nadeem
How to Find Equation of a Circle by its Center and a point
QUESTION: What is the equation of the circle that has its center at (-3, 4) and passes through the point (-3, 0)? SOLUTION: Standard equation… Read More »How to Find Equation of a Circle by its Center and a point
How to find an expression for nth term of Linear(Arithmetic) Sequence
Solved example to find an expression for nth term of given Linear(Arithmetic) Sequence QUESTION: Find an expression for the nth term of the following arithmetic/linear sequence 5, 8, 11,… Read More »How to find an expression for nth term of Linear(Arithmetic) Sequence
Find Surface Area of a Cylinder if its Radius and Height is given
Solved example to findSurface Area of a Cylinder if its Radius and Height is given QUESTION: A salt container has the shape of a cylinder. The radius of… Read More »Find Surface Area of a Cylinder if its Radius and Height is given
Law of Cosines, Case 1
When to use ‘Law of Cosines’ for triangle CASE 1 Click here for CASE 2 QUESTION: A triangular park has side lengths that are 200 m, 155 m, and… Read More »Law of Cosines, Case 1
By Current value and %age decrease, find value after some time.
Solved Real-World-Problem to find the Value of an Asset after some time if its Current Value and Percentage Decrease is known QUESTION: A certain forest covers… Read More »By Current value and %age decrease, find value after some time.
BODMAS
Solved example of BODMAS QUESTION: `d=frac{3a²+2b}{4(c+3)}` where a = -2 b = 2 and c = -4 Work out the value of `d`. SOLUTION: BODMAS rule is used… Read More »BODMAS
Find length of edges of a Cube if its Surface Area is given
Solved Example to find Length of Edges of a Cube if Surface Area of a Cube is given QUESTION: The surface area of a cube is 600m². What is the… Read More »Find length of edges of a Cube if its Surface Area is given
Solved Real-World Problem of Fraction
QUESTION: What is the fraction of the class that is girls and thatwhich is boys in a class of 20 students and 8 girls? SOLUTION: Here,total… Read More »Solved Real-World Problem of Fraction
Percentage
Solved Real-World-Problem of Percentage QUESTION: There are 50 students in a class, 6 of them are absent. What is the percentage of present students? SOLUTION: There… Read More »Percentage