100+ GK Questions asked in IBPS PO Mains Exam 2022 - 2023 - 2

Question: 6

Who invented the Voice Mail?

(A) Gordon Matthews

(B) J A Fleming

(C) V Paulsen

(D) Alexander Graham Bell

Question: 7

Mach number is associated with

(A) Ship

(B) Light

(C) Sound

(D) Aeroplane

Question: 8

Epigraphy means

(A) The study of epics

(B) The study of geography

(C) The study of inscriptions

(D) The study of coins

Question: 9

Who invented 3D Printing?

(A) Masaru Ibuka

(B) Johaness Gutenberg

(C) Chuck Hull

(D) None of these

Question: 10

Who discovered Cement?

(A) Joseph Aspdin

(B) Janseen

(C) Albertus Magnus

(D) Agassit