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International STEM Tinkering Olympiad 2020
Sample Papers
ISTO 2020 Senior Sample Paper
by
Saket Saurabh
November 29, 2020
December 2, 2020
ISTO 2020 Intermediate Sample Paper
by
Saket Saurabh
November 29, 2020
December 2, 2020
ISTO 2020 Junior Sample Paper
by
Saket Saurabh
November 29, 2020
December 2, 2020
