Question

2] without factorisation what is the cube root of 12167?
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Answer 1

Answer:

We cook food in utensils made of copper or other useful metals. For , copper is a good conductor of heat . And wood don't have the property of conduction. Thus , food are not cooked in wooden utensil.

Answer 2

➡️at first see value of number is above than cube of which ,10,20,30,40.......

➡️we can easily find cube of any of the above number so.

➡️here 12167

➡️8000 cube of 20

➡️first digit of number is 2

➡️now

➡️what is last digit

➡️if last digit of number is 1 means cuberoot of that number s last digit is 1

,...........2--------8

-----------3. .............7

.............4----------- -4

--------------5

-----------6

-----------7----------3

----------8-----------2

------------9

➡️here last digit is 7

➡️so last digit of cube root of 12167 is 3