alleryWhich of the following statements is TRUE?
AA perfect cube can end with the digit 8
BIf a number ends in 2, its cube cannot end in 8
CCube of an odd number is even
DCube of any 2-digit number always has 7 or more digits
Answer & Solution
Correct answer: A. A perfect cube can end with the digit 8
(A) is TRUE: 2³ = 8, 12³ = 1728, 22³ = 10648 — all end in 8.
(B) is FALSE: 2³ ends in 8 and starts with units digit 2.
(C) is FALSE: cubes of odd numbers are odd.
(D) is FALSE: the smallest 2-digit cube (10³ = 1000) has only 4 digits.
Keep practising Sets and Relations
Browse all Sets and Relations questions for GRE, or explore more Mathematics topics.
Related questions
How many PERFECT SQUARES lie strictly between 100 and 200?Using prime factorisation, √324 equals:The sum 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 equals:Which of the following is a perfect square?Which of the following is NOT a perfect square?Three rational numbers a, b, c are given. Which of the following is ALWAYS true?For which rational number a is the statement 'a is its own additive inverse' TRUE?Using distributivity, the value of (7/5) × (−3/12) + (7/5) × (5/12) is: