simplification questions

When solving a math simplification questions with multiple operations, we should follow the order of operations in the BODMAS rule: 

      BODMAS

B: Brackets

O: Order of powers or roots

D: Division

M: Multiplication

A: Addition

S: Subtraction 

 

Simplify any terms inside brackets, starting with the innermost bracket and working your way out 
 
Simplify any powers or roots 
 
Perform division or multiplication from left to right, whichever comes first 
 
Perform addition or subtraction from left to right, whichever comes first

 1. 30÷6×2-3×2+12÷2 ? 

a) 8

b) 10

C) 12

d) 15

2. 8+9×20÷5-3

a) 41

b) 30

C) 25

d) 18

3. 9÷3(1+2)-2

a) 1

b) 0

C) -1

d) 7

4. 8+[15+5-{5-(4+2-3)}]

a) 23

b) 24

C) 25

d) 26

5. 9+9×9-9÷9

a) 0

b) 5

C) 10

d) 89

6. 70×7+80×4 =? % of 9000

a) 0

b) 3

C) 9

d) 15

7. 25% of 960 + 30% of 400 = ? % of 2000

a) 18

b) 20

C) 23

d) 25

8. 0.016× 0.04× 96 ÷ (0.24 × 0.004) 

a) 54

b) 64

C) 74

d) 84

9. 16÷4+18×5-3+2 =? 

a) 90

b) 91

C) 92

d) 93

10. 5+9×3-8÷4

a) 20

b) 25

C) 30

d) 35

1- b 2- a  3- c 4- d 5- d 6- C 7- a 8- b 9- d 10- c

Vocabulary for ssc cgl