When 732 is subtracted from the square of a number, the answer that is obtained is 5280. What is the number?
97
103
99
101
In 1999, the population of a country was 30.3 million. The number which is the same as 30.3 million is
3030000
3030000000
303000000
30300000
One factor of x4 + x2 + 1 is
x2 - x + 1
x2 - x - 1
x2 + 1
x2 + x - 1
D.
x2 + x - 1
Given expression = x4 + x2 + 1
On adding and subtracting x2 , we get
The number n is doubled and then y is added to it. The result is, then divided by 2 and the original number n is subtracted from it. The final result is
n + y
y
The difference between the simple interest and compound interest on a certain, sum of money at 4% per annum for two years is Rs. 10. The sum will be
4500
5500
5750
6250
"The sum of two whole numbers is also a whole number." This property of whole numbers is known as
associative property of addition
commutative property of addition
closure property of addition
property of componendo-dividendo