Practice30Create account

Which of these numbers can NOT be a perfect square?

Competition practiceNumber & Arithmetic
  • A3452
  • B2916
  • C4489
  • D5329

Step-by-Step Solution

A perfect square never ends in 2, 3, 7 or 8, because the last digit of a square can only be 0, 1, 4, 5, 6 or 9. So 3452 is ruled out at a glance. The others are genuine squares: and .
Answer: A) 3452

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

A number gives remainders 1 and 3 when divided successively by 3 and 5. If the same…If 1/(2 + 1/(3 + 1/x)) = 7/16, then x equals:A student says: "My number leaves remainder 4 when divided by 6 and remainder 3 when…The digits of a two-digit number add up to 12, and the tens digit is to the units digit…The greatest number that divides 62, 132 and 237 leaving the same remainder in each case…