Test Details

Squares and Square Roots

Learn tricks use in square and square root

Feb 23, 5:00 PM

105 minutes

Feb 23, 6:45 PM

100.0 marks

MCQ

70 questions

Rajesh Kharb

MSc,MEd,MBA,PHD

Class Details

Mathematics

💁9{B} The Balaji Academy

Mathematics

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Question Text

Question 7 :
What will be the units digit of the square of the given number $7286$ ?

Question 9 :
Which of the following is a square of an even number?

Question 11 :
All perfect squares end in 0, 1, 4, 5, 6, __.

Question 12 :
A perfect square number can never have the digit ____ at the units place.

Question 13 :
Which one of the following numbers is not a perfect square from $4900, 90000, 810000, 81000$?

Question 15 :
If the square number ends with ___, then the number has $8$ or $2$ at the units place.

Question 16 :
The smallest four digit number which is perfect square is ____.

Question 20 :
Which one of the following can't be the square of natural number?

Question 21 :
By using the table for square root find the value of $\sqrt{7}$.

Question 23 :
Which of the following numbers are not the perfect square of any numbers?

Question 26 :
Which of the following is not a perfect square number?

Question 28 :
What will be the unit digit of the square of $799$?

Question 33 :
A man plants his orchard with $5625$ trees, and arranges them so that there are as many rows as there are trees in a row; how many rows are there?

Question 35 :
Write the correct answer from the given four options. A perfect square can never have the following digit in its ones place.

Question 37 :
How many two-digit numbers satisfy this property: The last digit (unit's digit) of the square of the two-digit number is 8 ?

Question 38 :
What will be the units digit of the square of the given number $39$?

Question 42 :
The numbers that end in 2, 3, 7 or 8 are called ______ squared numbers.

Question 43 :
By splitting into prime factors, find the square root of $729$.

Question 44 :
Find the square root of $\displaystyle 6 \frac{7}{8}$ correct to two decimal places

Question 45 :
Find the least number which must be subtracted from each of the following numbers so as to get a perfect square Also find the square root of the perfect square so obtained  $(i) 402, (ii) 1989, (iii) 3250, (iv) 825, (v) 4000$

Question 46 :
Find the atleast number which must  be added to each of the following numbers to get a perfect square. Also find the square root of the perfect square numbers.<div> </div><div>$a)525$</div>

Question 47 :
Write the correct answer from the given four options. 196 is the square of

Question 48 :
What least number must be added to $4812$ to make the sum a perfect square? (Use Long division method).

Question 50 :
What should be multiplied to $7200$ to make a perfect square?

Question 51 :
What will be the unit digit of the square of the number $81$?

Question 55 :
What will be the unit digit of the square of 3853?

Question 58 :
Which one of the following can't be the square of natural number ?


Question 59 :
The number that must be subtracted from $16161$ to get a perfect square is ________.

Question 60 :
Write the correct answer from the given four options. The value of $\sqrt{248 + \sqrt{52 + \sqrt{144}}}$ is

Question 61 :
If the square ends with 9, then the number has ___ or ___ in the units place.

Question 62 :
Find the square root of the $9216$ by the prime factorisation method.

Question 63 :
When a number ends with a $6$ in units place, the units place of a square is____.

Question 64 :
If the square ends with 1, then the number has ___ or ___ in the units place.

Question 65 :
A number ending in 9 will have the units place of its square as ____.

Question 68 :
What will be the unit digit of the square of 12796?

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