HCF of 36, 54, 72 and 90 is:
a) 18
b) 20
c) 24
d) 28
Explanation: Prime factorization of the given numbers:
36 = 22 × 32
54 = 2 × 33
72 = 23 × 32
90 = 2 × 32 × 5
Now, let's find the common prime factors among these numbers: 21 × 32 = 2×9 = 18
Therefore, the correct HCF of 36, 54, 72, and 90 is: a) 18
Cool Colors are:
a) Orange, Green and violet
b) Blue, Green and violet
c) Yellow, Blue and Red
d) Black, White and Brown
Warm Colors are:
a) Yellow, Red and Orange
b) Yellow, Red and Blue
c) Yellow, Green and Blue
d) Orange, Green and Purple
What factors results in changing of state of the matter?
a) Centrifugal Force, Temperature and Pressure
b) Pressure and Force
c) Temperature, Pressure and Impact
d) Temperature and Pressure
Who discovered the first living cell?
a) Robert Lyons
b) Robert smith
c) Robert Brown
d) Robert Hooke
(x2)2
= ____________?
a) X2*2
b) X3 × X3
c) X3+5
d) X3 + X5
Explanation: When you raise x2 to the power of 2, you multiply the exponents, resulting in x(2*2) = x4
