Question
A square and a rectangle have the same perimeter. The
side of the square is 14 cm, and the length of the rectangle is 18 cm. Find the breadth of the rectangle.Solution
Perimeter of the square = 4 * 14 = 56 cm. Perimeter of the rectangle = 2(l + b), where l = 18 cm. Equating the perimeters, 56 = 2(18 + b). Solving, b = 10 cm. Correct answer: a) 10 cm
A-5,  A,  35,  52, 78, 115
30, 42, 48, 54, 65, 81, 126
- Find the wrong number in the given number series.
25, 34, 18, 34, 9, 46 Find the wrong number in the given number series.
32, 48, 72, 108, 162, 245
Find the wrong number in the given number series.
1600, 800, 1200, 400, 100 , 12.5
547, 594, 640, 691, 741, 792
Find the wrong number in the given number series.
26, 38, 60, 110, 206, 398
75, 450, 225, 1330, 675, 4050
Find the wrong number in the given number series.
8, 12, 23, 40, 66, 103
62, 79, 98, 119, 142, 165