Question

Q1. Verify associative property of multiplication and associative property of addition for
−2
3
,
5
4
,
7
12
Q2. Simplify: 3
11
×
−5
6
×
−22
9
×
−9
5

Q3. Represent −3
4
and 1
2
on same number line.

Q4. Divide the sum of 65
12
and12
7
by their difference.
Q5. A rational number is such that when you multiply it by 5
2
and add 2
3
to the product, you get

−7
12
. find the rational number.
Q6. 10404 students are sitting in a lecture room in such a manner that there are as many
students in a row as there are rows in a lecture room. How many students are there in each
row of a lecture room?
Q7. Divide the square of (
14
17) by √
784
1156
Q8. Add the multiplicative inverse of √
105625
4225
with √
49
25

Q9. Find the square of 456 using diagonal method and then use the long division method to
find out the square root of the answer.
Q10. How many numbers lie between squares of the following numbers?
1. 12 and 13
2. 25 and 26
3. 99 and 100

Answer 1

Answer:addition:

-7/9+5/6-4/3

-7+5-4/9 #here taking LCM

-6/9 # adding numarater

-2/3

multiple:

-7/9+5/6-4/3 #first two terms cross multiply

1/18-4/3 #another term to cross multiply

69/54 #simplify

23/18

Step-by-step explanation: