Scroll:Real number system >> Four fundamental operations on integers >> saq (4399)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

 Simplify   :   13 + 312 + 324


Answer:_______________




2)  

 Simplify   :   23 + 812 + 1024


Answer:_______________




3)  

 Simplify   :   13 + 412 + 324


Answer:_______________




4)  

 Simplify   :   23 + 412 + 1124


Answer:_______________




5)  

 Simplify   :   43 + 512 + 924


Answer:_______________




6)  

 Simplify   :   53 + 312 + 924


Answer:_______________




7)  

 Simplify   :   33 + 612 + 824


Answer:_______________




8)  

 Simplify   :   23 + 512 + 324


Answer:_______________




9)  

 Simplify   :   33 + 212 + 924


Answer:_______________




10)  

 Simplify   :   53 + 712 + 1524


Answer:_______________




 

1)  

 Simplify   :   13 + 312 + 324

Answer: 1724


SOLUTION 1 :

=     13 + 312 + 324  

LCM of 3 12 .24 is  24

=  [(1x8) +(3x2) + (3x1)] / 24

= (8+6+3)24

 = (17)24

 = 1724

 



2)  

 Simplify   :   23 + 812 + 1024

Answer: 74


SOLUTION 1 :

=     23 + 812 + 1024  

LCM of 3 12 .24 is  24

=  [(2x8) +(8x2) + (10x1)] / 24

= (16+16+10)24

 = (42)24

 = 74

 



3)  

 Simplify   :   13 + 412 + 324

Answer: 1924


SOLUTION 1 :

=     13 + 412 + 324  

LCM of 3 12 .24 is  24

=  [(1x8) +(4x2) + (3x1)] / 24

= (8+8+3)24

 = (19)24

 = 1924

 



4)  

 Simplify   :   23 + 412 + 1124

Answer: 3524


SOLUTION 1 :

=     23 + 412 + 1124  

LCM of 3 12 .24 is  24

=  [(2x8) +(4x2) + (11x1)] / 24

= (16+8+11)24

 = (35)24

 = 3524

 



5)  

 Simplify   :   43 + 512 + 924

Answer: 178


SOLUTION 1 :

=     43 + 512 + 924  

LCM of 3 12 .24 is  24

=  [(4x8) +(5x2) + (9x1)] / 24

= (32+10+9)24

 = (51)24

 = 178

 



6)  

 Simplify   :   53 + 312 + 924

Answer: 5524


SOLUTION 1 :

=     53 + 312 + 924  

LCM of 3 12 .24 is  24

=  [(5x8) +(3x2) + (9x1)] / 24

= (40+6+9)24

 = (55)24

 = 5524

 



7)  

 Simplify   :   33 + 612 + 824

Answer: 116


SOLUTION 1 :

=     33 + 612 + 824  

LCM of 3 12 .24 is  24

=  [(3x8) +(6x2) + (8x1)] / 24

= (24+12+8)24

 = (44)24

 = 116

 



8)  

 Simplify   :   23 + 512 + 324

Answer: 2924


SOLUTION 1 :

=     23 + 512 + 324  

LCM of 3 12 .24 is  24

=  [(2x8) +(5x2) + (3x1)] / 24

= (16+10+3)24

 = (29)24

 = 2924

 



9)  

 Simplify   :   33 + 212 + 924

Answer: 3724


SOLUTION 1 :

=     33 + 212 + 924  

LCM of 3 12 .24 is  24

=  [(3x8) +(2x2) + (9x1)] / 24

= (24+4+9)24

 = (37)24

 = 3724

 



10)  

 Simplify   :   53 + 712 + 1524

Answer: 238


SOLUTION 1 :

=     53 + 712 + 1524  

LCM of 3 12 .24 is  24

=  [(5x8) +(7x2) + (15x1)] / 24

= (40+14+15)24

 = (69)24

 = 238