By just examining the units digits , can you tell which of the following cannot be whole squares ?
(i) 1026 (ii) 1028
(iii) 1024 (iv) 1022
(v) 1023 (vi) 1027

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Solution

We know that a perfect square cannot ends with the digit 2,3,7, or 8
$∴$ By examining the given number, we can say that 1028, 1022, 1023, 1027 can not be perfect sqaures.

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Similar questions

Q. By just examining the units digits, can you tell which of the following cannot be whole squares?
(i) 1026
(ii) 1028
(iii) 1024
(iv) 1022
(v) 1023
(vi) 1027

Q. Just observe the unit digits and state which of the following are not perfect squares.
(i)

3136

(ii)

3722

(iii)

9348

(iv)

2304

(v)

8343

Q. What will be the units digit of the squares of the following numbers?
(i) 52
(ii) 977
(iii) 4583
(iv) 78367
(v) 52698
(vi) 99880
(vii) 12796
(viii) 55555
(ix) 53924

What will be the units digit of the squares of the following numbers?
(i) 52 (ii) 977
(iii) 4583 (iv) 78367
(v) 52698 (vi) 99880
(vii) 12796 (viii) 55555
(ix) 53924

Seeing the value of the digit at unit's place, state which of the following can be square of a number :

(i) 3051 (ii) 2332

(iii) 5684 (iv) 6908

(v) 50699

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By just examining the units digits , can you tell which of the following cannot be whole squares ? (i) 1026 (ii) 1028 (iii) 1024 (iv) 1022 (v) 1023 (vi) 1027

We know that a perfect square cannot ends with the digit 2,3,7, or 8 ∴ By examining the given number, we can say that 1028, 1022, 1023, 1027 can not be perfect sqaures.

By just examining the units digits , can you tell which of the following cannot be whole squares ?
(i) 1026 (ii) 1028
(iii) 1024 (iv) 1022
(v) 1023 (vi) 1027

We know that a perfect square cannot ends with the digit 2,3,7, or 8
$∴$ By examining the given number, we can say that 1028, 1022, 1023, 1027 can not be perfect sqaures.