Which of the following statements is not true?
The difference of two prime numbers, both greater than 2, is divisible by 2.
For two different integers m, n and a prime number p, if p divides the product m × n, then p divides either m or n.
If a number is of the form 6n − 1 (n being a natural number), then it is a prime number.
There is only one set of three prime numbers such that there is a gap of 2 between two adjacent prime numbers.
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy