2 3 17 and 5 2 21 July 8, 2019 16 32 64 128 2 3 17 and 5 2 21 calculator 2 3 17 and 5 2 21 reasoning 2 3 17 and 5 2 21 reasoning in hindi 2 3 17 and 5 2 21 reasoning questions 23+- 17