List of top Quantitative Aptitude Questions on Number Systems asked in NMAT

The highest common factor (HCF) of 72, 108 and 180 is
The value of \(\sqrt{0.0064}\) is
How many positive factors (divisors) does 360 have?
What is the remainder when \(2^{31}\) is divided by 7?
What is the units digit of \(7^{95}\)?