Inflation is measured on the basis of changes in 

Given: A ± ∆A = 15.7 ± 0.2kg and  B ± ∆B = 27.3 ± 0.3 kg.  To find: Total mass (Z), and total error (∆Z)  Formulae: i. Z = A + B ii)...

i. The ability of a covalently bonded atom to attract the shared electrons toward itself is called electronegativity (EN).  Electronegativity cannot be measured experimentally.  However, Various numerical scales to express electronegativity were developed...

Joint families are now undergoing significant changes is an example of structural changes.

Option : d. All the above statements are correct.

i. – (b)  ii. – (a)

B) It will decrease

Answer is (B) fixed

C) standard of living

A) World economic inflation

B) Instantaneous velocity