Which of the following is true.
1 is a prime number
1 is a composite number
2 is the only prime number
1 is not a prime number
(-6) + (+2)=
-8
-4
8
4
60:20 in simplest form is ________ .
6:2
3:1
1:3
2:6
The money borrowed or rent out for a certain period is called
Interest
Principal
Simple interest
None of these
108 =
2×2×3×3×3
4×3×3
2×2×2×3×3
2×2×3×3×3×3
Decimal numbers are based on powers of
100
1000
1/10
10
250 m above sea level means
250 + 1000 m
250 m
- 250 m
None of the above
Percentage profit =
Cost price / Actual profit
Actual profit / Cost price
Cost price / Actual profit × 100 %
Actual profit / Cost price ×100 %
Let A = The set of letters in the word EAR and B= the set of letters in the word 'ARE' .These sets are
Equal
Infinite
Equivalent
Super set
6.86 rounding to nearest unit is
6
7
5