84. What is the next Prime Number after 13?
Answer:
17
85. Which is the only Number that cannot be used as a Divisor?
Answer:
Zero
86. Who is known as the prince of Mathematics in India?
Answer:
Srinivasa Ramanujan
87. Who said the phrase "Number rules the Universe"?
Answer:
Pythagoras
88. Which number is Known as Ramanujan Number?
Answer:
1729
89. What is the name of the number system with base 2?
Answer:
Binary
90. How many seconds are there in one hour?
Answer:
3600 Seconds
91. Who discovered the identity sign
≡
(for congruence relation)?
Answer:
Carl Friedrich Gauss
92. Which number system does not have the symbol for zero?
Answer:
Roman Numerals
93. Who discovered Number Line?
Answer:
John Wallis
94. Who discovered strict inequality signs < and > ?
Answer:
Thomas Harriot
95. What number do we get when we multiply all of the numbers on a Telephone
Number Pad?
Answer:
Zero
96. Who discovered division sign ÷ ?
Answer:
Johann Rahn
97. Who discovered the
⌊
x
⌋
greatest integer
≤
x (floor) and
⌈
x
⌉
smallest integer
≥
x (ceiling)?
Answer:
Kenneth E. Iverson