BODMAS

Q.

Question 76

Simplfy:$\frac{2\frac{1}{2}+\frac{1}{5}}{2\frac{1}{2}÷\frac{1}{5}}$

Q.

Simplify the following mathematical expression:

$54+9\left(43-26-2\right)÷3$

Q.

Question 4(a)

Find using distributive property:
$728\times 101$

Q. 55. The sum of a two digit number and the number obtained by interchanging the digits of the number is 121.If the digits of the number differ by 5, find the number?

Q. 7.There are three consecutive integers such that the square of the first increased by the product of the other two gives 154. What are the integers?

Q.

Question 2 (vi)

Find
0.56 $÷$ 10

Q.

Does division follow the associative law? Explain it with help of examples. [3 MARKS]

Q. how to find the addition of root 3 + root 7 whole 3root

Q.

Choose the correct answer: $-31÷\_\_\_\_\_=1$

1. $-31$

2. $31$

Q. The sum of a two digit number and the number formed by interchanging the digits is 110. If 10 is subtracted from the original number, the new number is 4 more than 5 times the sum of the digits of the original number. Find the original number.

Q.

Find n if : (a) n! = 120 (b) n! = 720

Q.

Find n if : (a) n! = 120 (b) n! = 720

Q. Simplify:$3x-6\{3x-8(5x-10)\}$

Q.

Simplify: $15÷5\times 7-3\times 2$

Q.

Evaluate : $13÷\left[\right(–2)+1]$

Q. How do you solve $42=7y$ ?

Q. Let the relation $R$ be defined on $N$ by a $aRb$ iff $2a+3b=30$. Then write $R$ as a set of ordered pairs.