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Q.21) Who invented the Spinning Jenny?

(A) Thornton Hargreaves

(B) Peter Hargreaves

(C) James Hargreaves

(D) Simon Hargreaves

Q.22) Which insurance salesman invented the fountain pen in 1884?

(A) Lewis Edson Waterman

(B) Sir William Grove

(C) Charles Kettering

(D) George Fountain

Q.23) When was the first elevator built?

(A) 1743

(B) 1739

(C) 1760

(D) 1785

Q.24) What charge card, developed in 1950, was the first to be accepted nationally in the US?

(A) Visa

(B) Discover

(C) MasterCharge

(D) Diner's Club

Q.25) Which of the following was first patented by an Australian in 1889?

(A) Electric Shaver

(B) Electric Drill

(C) Electric Fence

(D) Electric Heater

Q.26) What George Westinghouse invented?

(A) Light bulb

(B) Electric razor

(C) Refrigerator

(D) Railway air brakes

Q.27) What Thomas Davenport invented?

(A) Screw propellor

(B) Electric streetcar

(C) Chesterfield

(D) Sleeping (railway) car

Q.28) Where was the yo-yo invented?

(A) France

(B) United States

(C) Philippines

(D) England

Q.29) The first hand glider was designed by...?

(A) Leonardo DaVinci

(B) The Wright brothers

(C) Francis Rogallo

(D) Galileo

Q.30) When were blue jeans invented?

(A) 1900s

(B) 1860s

(C) 1870s

(D) 1850s

ਜੇਕਰ ਤੁਸੀ ਕਿਸੇ ਵੀ ਸਰਕਾਰੀ ਨੌਕਰੀ ਬਾਰੇ ਜਾਣਕਾਰੀ ਲੈਣਾ ਚਾਹੁੰਦੇ ਹੋ ਤਾ ਉੱਤੇ ਦਿੱਤੇ ਕੰਮੈਟ ਬਾਕਸ ਵਿੱਚ ਕੰਮੈਟ ਕਰ ਸਕਦੇ ਹੋ ਧੰਨਵਾਦ ਅਰਨ ਮਨੀ ਜੋਬਜ ਟੀਮ