Answer: 1 is not a perfect square. 3 is the only prime number one less than a square.
Answer:
let, the days for 10 men be x
- 30/10=x/30
- 900=10x
- x=900/10
- x=90
so 10 men can complete the same work in 90days.
Hope it helps.
5 seconds
because that is the positive zero of that equation
Answer:
Hi i think that the answer is A