1.

7, 14, 42, 168, _______? (1) 504 (2) 672(3) 1008 (4) 840

Answer»

Step by step7× 2 =1414×3 = 4242 × 4= 168168 × 5 = 840 answer

7*2=1414*3=4242*4=168168*5=840so here is answer will be 840



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