Finding Square of a Number with Unit's Place 5

Q.

Draw an object to show a number value.

Q.

What will be the unit digit of the squares of the following numbers?

(i) 81 (ii) 272

(iii) 799 (iv) 3853

(v) 1234 (vi) 26387

(vii) 52698 (viii) 99880

(ix) 12796 (x) 55555

Q.

Find the cube root of 103823 by prime factorisation method.

Q.

The area of a square is given by the formula A = $c^2$. What will be the total area of 64 such similar squares, if the side of a square is 8 ft? Express the final area with 2 as the base and some exponent.

Q.

Find the squares of the following numbers
(i) 425 (ii) 575
(iii) 405 (iv) 205
(v) 95 (vi) 745
(vii) 512 (viii) 995

Q.

How to find the square of 45 containing 5 in the unit's place ?

Q.

Column method is appropriate for finding squares of _____ digit numbers only.

1. Three

2. Five

3. Four

4. Two

Q.

Question 1 (iv)
Find the squares of the following numbers:

93

Q.

Question 1 (iii)
Find the squares of the following numbers:

86

Q.

Find square root of 5 correct to 3 decimal places

Q.

An NGO collected Rs. 302500 as a donation from its donors. If each donor has paid as much amount as there were donors, find the number of donors. Find the number of donors using long division method.

Q.

how to find the values here : 7ab\c=cc

Q.

The square of number 85 is:

1. 7205

2. 7115

3. 7375

4. 7225

Q.

Question 1 (iv)
Find the squares of the following numbers:

93

Q.

Using pattern of square numbers, the square of 45 can be written as

1. (4 x 5) x 100 + 25

2. (4 x 5) x 1000 + 25

3. (4 x 5) x 1000 - 25

4. (4 x 5) x 100 - 25

Q.

Question 86

State whether the following statement is true or false:

Square of a number is positive, so the cube of that number will also be positive.

Q.

Find the square of the following numbers

(i) 32 (ii) 35

(iii) 86 (iv) 93

(v) 71 (vi) 46

Q. What will be the units digit of 11³+12²-13³-14²-15³+16⁴

Q.

Question 1 (ii)
Find the squares of the following numbers:

35

Q.

If a number has 2 or 8 in the unit’s place, then its square ends in

___.

Q.

Question 1 (i)
Find the squares of the following numbers:
32

Q.

Square rroo of the correct to decimal number 789 long division

Q. What are the first three digits of the square of 125?

1. 186
2. 126
3. 156
4. 216

Q. How to find ${82}^2$

Q. ntshow that square of an odd integer is of the form 4q+1 for the some integer qn

Q.

Which of the following could be a perfect square?

1. 1681

2. 23453

3. 222222

4. 1057

Q.

(3²)² is equal to 81.

1. True

2. False

Q.

The square of 39 is ___ .

1. 78

2. 1500

3. 1521

4. 1530

Q. Find the approximate value of the following numbers to nearest tenths.

1. 7.1
2. 5.6
3. 13.4

Q. The first three digits of the square of 185 are:

1. 335
2. 342
3. 377
4. 368