h Search

Q:

Who is the inventor of railway engine?

A) George Stephenson	B) W.H.F Talbot
C) Richard Trevithik	D) Eli Whitney

Answer & Explanation Answer: C) Richard Trevithik

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Inventions

Q:

Who Invented Modern Frequency Modulation FM Radio ?

A) Peter Durand	B) Percy Shaw
C) Edwin H. Armstrong	D) Leo Hendrik Baekeland

Answer & Explanation Answer: C) Edwin H. Armstrong

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Inventions

Q:

Who Invented Microwave Oven ?

A) Lewis Edson Waterman	B) Levi Strauss
C) Percy LeBaron Spencer	D) Sir Sandford Fleming

Answer & Explanation Answer: C) Percy LeBaron Spencer

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Inventions

Q:

Who Invented Traffic Signal ?

A) Lewis Edson Waterman	B) Levi Strauss
C) Percy LeBaron Spencer	D) Garrett Augustus Morgan

Answer & Explanation Answer: D) Garrett Augustus Morgan

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Inventions

Q:

Who Invented Piano ?

A) Bartolomeo Cristofori di Francesco	B) Ruth Graves Wakefield
C) Adolf Gaston Eugen Fick	D) Jacques Cousteau

Answer & Explanation Answer: A) Bartolomeo Cristofori di Francesco

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Inventions

Q:

Who Invented The World Wide Web ?

A) Sir Timothy John	B) Earle Dickson
C) James Rineose	D) Laszlo Jozsef Biro

Answer & Explanation Answer: A) Sir Timothy John

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Inventions

Q:

$(0.2 \times 0.2 + 0.01) {(0.1 \times 0.1 + 0.02)}^{- 1}$ is equal to

A) 5/3	B) 9/5
C) 41/4	D) 41/12

Answer & Explanation Answer: A) 5/3

Explanation:

Given expression = $\frac{(0.2 \times 0.2 \times 0.01)}{(0.1 \times 0.1 \times 0.02)} = \frac{0.04 + 0.01}{0.01 + 0.02} = \frac{0.05}{0.03} = \frac{5}{3}$

Report Error

View Answer Report Error Discuss

Filed Under: Decimal Fractions

Q:

When 52416 is divided by 312, the quotient is 168. what will be the quotient when 52.416 is divided by 0.0168?

A) 3.12	B) 312
C) 3120	D) None of these

Answer & Explanation Answer: C) 3120

Explanation:

Given, $\frac{52416}{312} = 168 \Leftrightarrow \frac{52416}{168} = 312$

Now , $\frac{52.416}{0.0168} = \frac{52416}{16.8} = \frac{52416}{168} \times 10 = 312 \times 10 = 3120$

Report Error

View Answer Report Error Discuss

Filed Under: Decimal Fractions

Searching for "h"

Quick Links