If each opposite face of this pyramid is painted with the same colour as shown in the figure, and a white ball has to be placed at each coloured face and also at each corner point, then how many white balls will be required?

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 14

Given figure is a square bipyramid, it has 8 faces and 6 corner points (i.e. vertices).
Since each opposite face of the given pyramid is painted with the same colour as shown in the figure.
$∴$ Total number of coloured faces = 8

As the white ball has to be placed at each coloured face and also at each corner point.
$∴$ Total number of white balls required = 8+6 = 14

Suggest Corrections

Similar questions

Q. If each opposite face of this pyramid is painted with the same colour as shown in the figure, and a white ball has to be placed at each coloured face and also at each corner point, then how many white balls will be required?

A cube of side 8 cm is painted red, blue and yellow on opposite faces and is then cut into cubes of 1 cm side each. How many cubes have colour on at least one face?

How many different colours are required to colour a cube if the opposite faces have same colour.

Q. Consider a grid as shown in figure having 8 blocks of dimension 1 x 1. Each block is to be painted with either blue or red colour. In how many ways this can be done if at least one block of dimension 2 x 2 is to be painted red completely?

Question 85

Posting a question Work with a partner to write at least five ratio statement about this quilt, which has white, blue and purple squares.

How many squares for each colour will be there in 12 such quilts?

Join BYJU'S Learning Program