ADITI DUBEY
from
NARAYANA OLYMPIAD SCHOOL, Mumbai

Subject :IMO Class : Class 5

The model of a tower shown here is made up of unit cubes stacked on top of each other. How many unit cubes in all are used to form the tower?

A 35

B 36

C 37

D 38

CAN I GET THE SOLUTION

## Ans 4:

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Adwika Swarup
from
Pathways School Gurgaon, gurgaon

Class : Class 5

The answer is a as-first count the visible ones -15 unit cubes we will need some blocks to support the 2nd 3rd 4th and 5th rows as well....15 4(for the second layer) 6(for the third layer) 6(for the fourth layer 4(for the top layer)=35

## Ans 6:

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Aditya Singh
from
Vibgyor Haralur Bangalore, Bangalore

Class : Class 7

So the way of solving it is very easy. First count the visible cubes and count the number of cubes supporting the cubes so it will be 15 4 6 4 6=35. So the answer is A

## Ans 7:

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## Ans 8:

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keval d sanghavi
from
friends academy , Mumbai

Class : Class 9

I also have the same opinion that is there anyone who can solve

## Ans 9:

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ayushi gupta
from
Virendra Swaroop education center, Kanpur

Class : Class 6

Any one who can help me to solve this q

## Ans 11:

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Shamvabi Samanta
from
Gitanjali Primary School,ICSE, Hyderabad

Class : Class 7

this one is very easy one.

## Ans 12:

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adwitiya saxena
from
Ryan Internatinational School, Navi Mumbai

Class : Class 6

we can solve this by counting the cubes in the: upper layer which is 1 cubecubes in the second layer =visible cubes in the second layer all the cubes in upper layers=2 1=3cubes in third layer= 3(visible cubes) 3(cubes in upper layers)=6cubes in fourth layer=4(visible cubes) 6(cubes in upper layers)=10cubes in fifth or last layer =5(visible cubes) 10(cubes in upper layers)=15total cubes =1 3 6 10 15=35