alleryStart learning →Adding which number leaves every rational unchanged?
A0
B1
C-1
D2
Answer & Solution
Correct answer: A. 0
Zero is the additive identity, so adding it leaves a rational number unchanged.
Keep practising Rational Numbers
Browse all Rational Numbers questions for ICSE Class 8, or explore more Mathematics topics.
Related questions
A negative rational is multiplied by a positive rational. The result is?If a > 0 and 0 < b < 1, which statement is true?For 0 < a < 1 and 0 < b < 1, how does ab compare with a?If b is nonzero and a/b = 1, which relation must hold?Take the reciprocal of -3/4, then its additive inverse. What results?Which subtraction gives a result outside the positive rationals?If 0 < a < b, which comparison is correct?Rationals a,b have ab = 0. What follows?