C-12-Q105mediumsingle_mcq

In Example 14, the length of the garden is —

a $20$ m
b $30$ m
c $40$ m
d $50$ m

ব্যাখ্যা

Solving the perimeter and breadth–length relations of Example 14 simultaneously gives the length as $30$ m, which fits both the perimeter $100$ m and the " $2y = x+10$ " condition.

এই অধ্যায়ের আরও প্রশ্ন

C-12-Q106In Example 14, the breadth of the garden is —
C-12-Q107In Example 14, the area of the path around the garden is —
C-12-Q108In Example 14, the total cost of paving the path with bricks is —
C-12-Q109With length and breadth , the condition "twice the breadth is m more than the length" gives —
C-12-Q110The condition "perimeter of the garden is m" gives —
C-12-Q111The length of a rectangle is m less and breadth is m more than original makes the area m² less; length m more
C-12-Q112In the same rectangle, the breadth is —
C-12-Q113The length of a rectangular floor is m more than its breadth and the perimeter is m. The length is —
C-12-Q114In the same floor, the breadth is —
C-12-Q115If decorating the floor with mosaic costs Tk. per square metre, the total cost is —

Simple Simultaneous Equations in Two Variables — সব প্রশ্ন দেখুন (152টি) →