EASY
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To convert grams into kilograms, we have to divide it by

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Important Questions on Numbers All Around Us

MEDIUM
Triangle ABC is similar to LDEF. The perimeters of AABC and ADEF are 40 cm and 30 cm respectively. What is the ratio of (BC+CA) to (EF+FD) equal to?
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The perimeter of a circular lawn is 1232 m. There is 7 m wide path around the lawn. The area  (in m2) of the path is: (Take π=227)
EASY

Consider the following

There are seven places marked as P, Q, R, S, T, U and V as shown in the diagram. The directly connected paths between two places are indicated by line segments joining the two places along-with the length labelled (in km). Then, the shortest distance between P and U is

MEDIUM
The sides of a right-angled triangle are in the ratio x:x-1:x-18. What is the perimeter of the triangle?
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If the area of an equilateral triangle is 363 cm2, then the perimeter of the triangle is:
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Two rectangles are of same area equal to 480 sq.cm. They differ in lengths by 6 cm and breadths by 4 cm. What is the difference in their perimeters?
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A circular coil of radius 1 cm is allowed to roll freely on the periphery over a circular disc of radius 10 cm. If the disc has no movement and the coin completes one revolution rolling on the periphery over the disc and without slipping, then what is the number of times the coin rotated about its centre?

EASY
The perimeter of a square is half the perimeter of a rectangle. The perimeter of the square is 40 m. If its breadth is two-third of its length, then what is the area (in m2) of the rectangle?
MEDIUM
The area of each square of a chessboard having 64 equal squares is 4 cm2. If there is a border on all the sides of the chessboard of 2 cm, then the perimeter of the chessboard is:
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A circle is inscribed in a triangle ABC. It touches sides AB, BC and AC at points RP and Q, respectively. If AQ=3.5 cm, PC=4.5 cm and BR=7 cm, then the perimeter (in cm) of the triangle ABC is:
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A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer we can measure the
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The radius of a circular garden is 42 m. The distance (in meter) covered by running 8 rounds around it is: (Take π=227
EASY
The radius of a circular field is 31.5 metres. What is the circumference?
MEDIUM

Find perimeter and area of this shape. (Use, π=3.14)