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Karmanya Gupta from DPS, Udaipur
Subject :IMO    Class : Class 6

Which 3-D figure has 7 faces, 15 edges and 10 vertices?

A Hexagonal pyramid
B Pentagonal pyramid
C Tetrahedron
D Pentagonal prism


Ans 1:

Videh Jain from Bluebells School International, Delhi
Class : Class 6

Ans 2:

Shiven Sidharth from Delhi Public School Vasant Kunj, New Delhi
Class : Class 7
Answer is c

Ans 3:

Ramya Bn from Ryan International school, Bangalore
Class : Class 6

Ans 4:

Ishitadas from Adamas World school , Ichapur
Class : Class 8

Ans 5:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
It will be Hexagonal Prism, 1 side on the bottom with six triangular sides on the top which make total of 7. Please recheck, SOF.🙏

Ans 6:

Sreejani Bhaduri from National Public School, Bangalore
Class : Class 9

Ans 7:

Vedant Afre from City Pride School, Pune
Class : Class 10

Ans 8:

Ankush Dey from Sri Chaitanya Techno School Newtown, Kolkata
Class : Class 6
Sorry, It will be Hexagonal pyramid

Ans 9:

Ritabrata Das from OPJS, Angul
Class : Class 7

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