The decimal expansion of an irrational number is always:
Terminating
Non-terminating and repeating
Non-terminating and non-repeating
None of these
(3) Non-terminating and non-repeating
The least number that must be added to 5200 to make it a perfect square is:
1
4
25
49
(3) 25
If the HCF of two numbers is 6 and their LCM is 180, then the product of the two numbers is:
30
180
1080
2160
(3) 1080 (Using HCF × LCM = Product of numbers)
If the sum of two numbers is 48 and their HCF is 8, then the number of possible pairs is:
2
3
4
Infinite
(2) 3
The largest number that exactly divides 120 and 288 is:
12
24
48
96
(3) 48 (HCF of 120 and 288)
