Just by looking at the numbers, identify which of the following can not be

Sail E0 Webinar

Question

Just by looking at the numbers, identify which of the following can not be a perfect square.

Options:

A . 382

B . 484

C . 576

D . 529

Answer: Option A
:
A
Numbers ending with 2, 3, 7, or 8 at unit's place are never perfect squares.
Estimation without actually finding roots:
484 can be the perfect square of a number ending with 2 or 8.
576 can be the perfect square of a number ending with 4 or 6.
529 can be the perfect square of a number ending with 3 or 7.

Was this answer helpful ?

Next Question

Submit Solution

More Questions on This Topic :

Question 1. Aman has 729 coins. He gives only a part of these coins to his cousin as his birthday gift. This part is the square....root of 729. How many coins did his cousin get?

Question 2. What will be the number of zeroes in the square of 60?....

Question 3. If A, B, C, ..., X, Y, Z represents digits, which of the following could be a perfect square?....

Question 4. Square root of 1024 is 32.....

Question 5. Which of the following could be a perfect square?....

Question 6. The lengths 18 cm, 24 cm and 30 cm form the sides of a right-angled triangle.....

Question 7. Use Prime Factorization method to find the square root of the following:- i. √(1024) = ....the following:- i. √(1024) = ______ ii. √(2025) = _______

Question 8. Find the square root of 3364 by Long division Method.....

Question 9. 1,024 trees are planted in a grid fashion such that the number of rows is equal to the number of columns. One row and on....remain equal. Find the number of trees that were cut?

Question 10. How many non-perfect squares lie in between 752 and 762 ?....

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0