Aptitude · all questions

Area
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Q161

Perimeter of a rectangular field is 160 metres and the difference between its two adjacent sides is 48 metres. The side of a square field, having the same area as that of the rectangle, is :

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Q162

The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by :

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Q163

The length, breadth and height of the room are in the ratio 3 : 2 : 1. The breadth and height of the room are halved and length of the room is doubled. The area of the four walls of the room will :

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Q164

The ratio of bases of two triangles is x : y and that of their areas is a : b. Then the ratio of their corresponding altitudes will be :

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Q165

A vertical rod of height 33 metres is bent to form a semi-circular shape so that the top touches the ground. The distance between the top head and the base on the ground is :

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Q166

What is the area of the shaded region ?
Area mcq question image

Area mcq question image

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Q167

Three equal circles are described with vertices of the triangles as centres. If the radius of each circle is r, the sum of areas of the portions of the circles intercepted in a triangle is :

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Q168

The total surface area of a right circular cylinder with radius of the base 7 cm and height 20 cm, is :

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Q169

The area of a rectangle field is 52000 m² . This rectangular area has been drawn on a map to the scale 1 cm to 100 m. The length is shown as 3.25 cm on the map. The breadth of the rectangular field is :

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Q170

If the length of a rectangle is increased by 10% and its breadth is decreased by 10%, the change in its area will be :

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Q171

The area of a square with perimeter 48 cm, is :

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Q172

The area of the shaded portion is :
Area mcq question image

Area mcq question image

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Q173

If the length of a certain rectangle is decreased by 4 cm and the width is increased by 3 cm, a square with the same area as the original rectangle would result. The perimeter of the original rectangle (in cm) is :

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Q174

The area of a triangle is p sq.cm and its base is x cm. What is the height of the triangle (in cm) ?

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Q175

A triangle of area 9y cm² has been drawn such that its area is equal to the area of an equilateral triangle of side 6 cm. The value of y would be :

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Q176

If the height of a triangle is decreased by 40% and its base is increased by 40%, what will be the effect on its area ?

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Q177

The diameter of a circle is 3.5 cm. What is the circumference of the circle ?

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Q178

If the perimeter of a square is equal to the radius of a circle whose area is 39424 sq. m. What is the area of the square ?

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Q179

A small ring of negligible thickness and radius 2 cm moves on a bigger rung of radius 10 cm. How many rotations will the small ring take on the bigger ring to make a complete round ?

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Q180

What will be the area of a semi-circle whose perimeter is 36 cm ?

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