Question

Based on the information given below answer the questions that follow:

1. A wooden block is cuboidal in shape and has length 6 cm, breadth 4 cm and height 1 cm.
2. It has two faces measuring 4 cm x 1 cm coloured black.
3. Two faces measuring 6 cm x 1 cm coloured red.
4. Two faces measuring 6 cm x 4 cm coloured in green.
5. The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal cubes of side 1 cm (from 4 cm side).

(i) How many cubes having red, green and black colours on at least one side of the cube will be formed?
(ii) How many small cubes will be formed?
(iii) How many cubes will have 4 coloured sides and two non-coloured sides?

Answer 1

Step-by-step explanation:

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★ What is Rational Numbers ??

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In mathematics, a rational number is a number such as -3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.