Practice30Create account

The smallest number by which 3456 must be multiplied to make it a perfect cube is:

Competition practiceNumber & Arithmetic
  • A4
  • B2
  • C3
  • D6

Step-by-Step Solution

3456 = . For a perfect cube every exponent must be a multiple of 3, so needs two more factors of 2. Multiply by .
Answer: A) 4

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Number & Arithmetic practice questions

More Number & Arithmetic practice

How many prime numbers lie between 60 and 80?On rationalising the denominator, 1/(√3 − √2) equals:If (7 + 3√5)/(3 + √5) = a + b√5 where a and b are rational, then b equals:Which is the greatest of √2, ∛3 and ⁶√6?Follow BODMAS: 36 ÷ 6 + 3 × (5 − 2)² = ?