Question
Indian born Shiva Ayyadurai is associated with the
invention of -Solution
On August 30, 1982, the US government officially recognised Ayyadurai as the inventor of email by awarding him the first US Copyright for Email for his 1978 invention. At that time copyright was the only way to protect software inventions.
25% of a number exceeds 1/6th of the same number by 7. What is the number?
A student had to find 5/12 of a certain number, but he mistakenly calculated 3/4 of that number. His answer turned out 90 more than the correct value. ...
Find the unit digit of the expression: 1! + 2! + 3! + 4! + 5! + ........ + 2027!.
325 mangoes are distributed among some boys and girls who are 60 in numbers. Each boys gets five mangoes and each girls gets six. The number of boys is :
Find the unit digit of the expression: 3! + 4! + 5! + 6! + ........ + 1111!.
Find the difference between minimum and maximum value of 'c' such that '5c4632' is always divisible by 3.
- A number 'x' is first multiplied by 11, and the result is subtracted from its square. After adding 24 to the resulting value, the final outcome is zero. Gi...
- If the 4-digit number a34b is exactly divisible by 9, what is the least value of (a + b)?
- Determine the value of 'n' if '87n9812' is always divisible by 9.
Twin prime numbers are the prime numbers whose difference is always equal to 2. The number of twin primes between 35 and 100 is:
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