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   :   33 + 612 + 924


Answer:_______________




2)  

 Simplify   :   43 + 812 + 724


Answer:_______________




3)  

 Simplify   :   53 + 812 + 624


Answer:_______________




4)  

 Simplify   :   13 + 812 + 424


Answer:_______________




5)  

 Simplify   :   53 + 812 + 924


Answer:_______________




6)  

 Simplify   :   23 + 212 + 924


Answer:_______________




7)  

 Simplify   :   53 + 712 + 1324


Answer:_______________




8)  

 Simplify   :   33 + 312 + 324


Answer:_______________




9)  

 Simplify   :   33 + 712 + 524


Answer:_______________




10)  

 Simplify   :   23 + 612 + 1524


Answer:_______________




 

1)  

 Simplify   :   33 + 612 + 924

Answer: 158


SOLUTION 1 :

=     33 + 612 + 924  

LCM of 3 12 .24 is  24

=  [(3x8) +(6x2) + (9x1)] / 24

= (24+12+9)24

 = (45)24

 = 158

 



2)  

 Simplify   :   43 + 812 + 724

Answer: 5524


SOLUTION 1 :

=     43 + 812 + 724  

LCM of 3 12 .24 is  24

=  [(4x8) +(8x2) + (7x1)] / 24

= (32+16+7)24

 = (55)24

 = 5524

 



3)  

 Simplify   :   53 + 812 + 624

Answer: 3112


SOLUTION 1 :

=     53 + 812 + 624  

LCM of 3 12 .24 is  24

=  [(5x8) +(8x2) + (6x1)] / 24

= (40+16+6)24

 = (62)24

 = 3112

 



4)  

 Simplify   :   13 + 812 + 424

Answer: 76


SOLUTION 1 :

=     13 + 812 + 424  

LCM of 3 12 .24 is  24

=  [(1x8) +(8x2) + (4x1)] / 24

= (8+16+4)24

 = (28)24

 = 76

 



5)  

 Simplify   :   53 + 812 + 924

Answer: 6524


SOLUTION 1 :

=     53 + 812 + 924  

LCM of 3 12 .24 is  24

=  [(5x8) +(8x2) + (9x1)] / 24

= (40+16+9)24

 = (65)24

 = 6524

 



6)  

 Simplify   :   23 + 212 + 924

Answer: 2 924


SOLUTION 1 :

=     23 + 212 + 924  

LCM of 3 12 .24 is  24

=  [(2x8) +(2x2) + (9x1)] / 24

= (16+4+9)24

 = (29)24

 = 2 924

 



7)  

 Simplify   :   53 + 712 + 1324

Answer: 6724


SOLUTION 1 :

=     53 + 712 + 1324  

LCM of 3 12 .24 is  24

=  [(5x8) +(7x2) + (13x1)] / 24

= (40+14+13)24

 = (67)24

 = 6724

 



8)  

 Simplify   :   33 + 312 + 324

Answer: 118


SOLUTION 1 :

=     33 + 312 + 324  

LCM of 3 12 .24 is  24

=  [(3x8) +(3x2) + (3x1)] / 24

= (24+6+3)24

 = (33)24

 = 118

 



9)  

 Simplify   :   33 + 712 + 524

Answer: 4324


SOLUTION 1 :

=     33 + 712 + 524  

LCM of 3 12 .24 is  24

=  [(3x8) +(7x2) + (5x1)] / 24

= (24+14+5)24

 = (43)24

 = 4324

 



10)  

 Simplify   :   23 + 612 + 1524

Answer: 4324


SOLUTION 1 :

=     23 + 612 + 1524  

LCM of 3 12 .24 is  24

=  [(2x8) +(6x2) + (15x1)] / 24

= (16+12+15)24

 = (43)24

 = 4324