C-05-Q105: The denominator of a proper fraction is $4$ more than its numerator. W… | প্রশ্ন করি

হোম›নবম-দশম শ্রেণি›English Version›Mathematics›Equations in One Variable›C-05-Q105

C-05-Q105mediumsingle_mcq

The denominator of a proper fraction is $4$ more than its numerator. When the fraction is squared, the new denominator exceeds the new numerator by $40$ . The fraction is—

a $\dfrac{2}{6}$
b $\dfrac{3}{7}$
c $\dfrac{4}{8}$
d $\dfrac{5}{9}$

ব্যাখ্যা

For $\frac{3}{7}$ : the denominator $7$ is $4$ more than the numerator $3$ . Squaring gives , and , so the new denominator exceeds the new numerator by , satisfying both conditions.

105/170

এই অধ্যায়ের আরও প্রশ্ন

C-05-Q106With numerator in question 105, equation reduces (after simplification) to—
C-05-Q107A rectangular garden m by m has a path of equal width inside its boundary. If the area excluding the path is s
C-05-Q108Why is rejected in question 107?
C-05-Q109Shahik bought some pens for Tk. . With one more pen for the same money the price per pen would be Tk. less. Nu
C-05-Q110In question 109, the equation in (number of pens) is—
C-05-Q111Why is rejected in question 109?
C-05-Q112In an exam, total marks of students in mathematics is . With one new student scoring added, the average drops
C-05-Q113Solving the equation in question 112 gives —
C-05-Q114

\frac{9}{49}

49-9=40

40

Average marks of the original students in question 112 is—

C-05-Q115After adding the new student in question 112, the new average is—

Equations in One Variable — সব প্রশ্ন দেখুন (170টি) →

The denominator of a proper fraction is 444 more than its numerator. When the fraction is squared, the new denominator exceeds the new numerator by 404040. The fraction is—

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

The denominator of a proper fraction is $4$ more than its numerator. When the fraction is squared, the new denominator exceeds the new numerator by $40$ . The fraction is—