Statement Sums involving Linear Equations
Statement Sums involving Linear Equations
Statement Sums involving Linear Equation: In these sums a certain situation is given we have to analyse the statement and then suppose a certain quantity. and will then try to identify a relation with the quantity we have supposed.
The procedure to translate a word problem in the form of an equation is known as the formulation of the problem. Thus, the process of solving a word problem consists of two parts, namely, formulation and solution.
The following steps should be followed to solve a word problem:
Step I Read the problem carefully and note what is given and what is required.
Step II Denote the unknown quantity by some letters, say x, y, z, etc.
Step III Translate the statements of the problem into mathematical statements.
Step IV Using the condition (s) given in the problem, form the equation
Step V Solve the equation for the unknown.
Step VI Check whether the solution satisfies the equation.
ILLUSTRATION: One seventh of number is less than the original number by 24. Find the number.
Solution: Let the number be x
one seventh of x =
Number - one seventh of number = 24
A train, 150 m long, passes through a tunnel at a rate of 72 Km/ hr in 20 seconds. What is the length of the tunnel? | |||
| Right Option : D | |||
| View Explanation | |||
Find two consecutive even numbers such that smaller of the two numbers is | |||
| Right Option : D | |||
| View Explanation | |||
Two numbers are in the ratio 5:6. If 8 is subtracted from each, the ratio becomes 4:5. Find the numbers. | |||
| Right Option : D | |||
| View Explanation | |||
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