Instructions
Read the following information and answer the questions based on it.
The length ,breadth and height of a rectangular piece of wood in the 4cm,3cm, 5cm respectively
Opposite side of 5cm x 4 cm pieces are coloured in red colour
Oppsite sides 4cm x 3 cm ,are cloured in blue
Rest 5 cm x 3 cm are coloured in green in both sides
Now the piece is cut in such way that a cuboid of 1cm x 1cm x 1cm will be made
Question 177
How many cuboids shall have only one colour ?
Solution
Number of cuboids which have only 1 colour are the middle cuboids in all the faces. Also, there are 2 types of each faces.
2*(B-2)*(H-2)+2*(H-2)*(L-2).
=2*(4-2)*(3-2)+2*(3-2)*(5-2)+2*(5-2)*(4-2).
= 2*2*1 + 2*1*3 + 2*3*2.= 4 + 6 + 12.
=22.
Create a FREE account and get:
- Banking Quant Shortcuts PDF
- Free Banking Study Material - (15000 Questions)
- 135+ Banking previous papers with solutions PDF
- 100+ Online Tests for Free
CAT Quant Questions | CAT Quantitative Ability
CAT Time Speed Distance QuestionsCAT Averages QuestionsCAT Time, Distance and Work QuestionsCAT Data Sufficiency QuestionsCAT Linear Equations Questions
CAT DILR Questions | LRDI Questions For CAT
CAT Puzzles QuestionsCAT Miscellaneous LR QuestionsCAT DI with connected data sets QuestionsCAT DI Miscellaneous QuestionsCAT Data change over a period Questions
