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 + 512 + 524


Answer:_______________




2)  

 Simplify   :   43 + 612 + 324


Answer:_______________




3)  

 Simplify   :   43 + 412 + 924


Answer:_______________




4)  

 Simplify   :   43 + 512 + 624


Answer:_______________




5)  

 Simplify   :   53 + 212 + 324


Answer:_______________




6)  

 Simplify   :   33 + 312 + 924


Answer:_______________




7)  

 Simplify   :   43 + 312 + 624


Answer:_______________




8)  

 Simplify   :   23 + 712 + 1424


Answer:_______________




9)  

 Simplify   :   13 + 412 + 1024


Answer:_______________




10)  

 Simplify   :   33 + 512 + 724


Answer:_______________




 

1)  

 Simplify   :   33 + 512 + 524

Answer: 138


SOLUTION 1 :

=     33 + 512 + 524  

LCM of 3 12 .24 is  24

=  [(3x8) +(5x2) + (5x1)] / 24

= (24+10+5)24

 = (39)24

 = 138

 



2)  

 Simplify   :   43 + 612 + 324

Answer: 4724


SOLUTION 1 :

=     43 + 612 + 324  

LCM of 3 12 .24 is  24

=  [(4x8) +(6x2) + (3x1)] / 24

= (32+12+3)24

 = (47)24

 = 4724

 



3)  

 Simplify   :   43 + 412 + 924

Answer: 4 924


SOLUTION 1 :

=     43 + 412 + 924  

LCM of 3 12 .24 is  24

=  [(4x8) +(4x2) + (9x1)] / 24

= (32+8+9)24

 = (49)24

 = 4 924

 



4)  

 Simplify   :   43 + 512 + 624

Answer: 21


SOLUTION 1 :

=     43 + 512 + 624  

LCM of 3 12 .24 is  24

=  [(4x8) +(5x2) + (6x1)] / 24

= (32+10+6)24

 = (48)24

 = 21

 



5)  

 Simplify   :   53 + 212 + 324

Answer: 4724


SOLUTION 1 :

=     53 + 212 + 324  

LCM of 3 12 .24 is  24

=  [(5x8) +(2x2) + (3x1)] / 24

= (40+4+3)24

 = (47)24

 = 4724

 



6)  

 Simplify   :   33 + 312 + 924

Answer: 138


SOLUTION 1 :

=     33 + 312 + 924  

LCM of 3 12 .24 is  24

=  [(3x8) +(3x2) + (9x1)] / 24

= (24+6+9)24

 = (39)24

 = 138

 



7)  

 Simplify   :   43 + 312 + 624

Answer: 116


SOLUTION 1 :

=     43 + 312 + 624  

LCM of 3 12 .24 is  24

=  [(4x8) +(3x2) + (6x1)] / 24

= (32+6+6)24

 = (44)24

 = 116

 



8)  

 Simplify   :   23 + 712 + 1424

Answer: 116


SOLUTION 1 :

=     23 + 712 + 1424  

LCM of 3 12 .24 is  24

=  [(2x8) +(7x2) + (14x1)] / 24

= (16+14+14)24

 = (44)24

 = 116

 



9)  

 Simplify   :   13 + 412 + 1024

Answer: 1312


SOLUTION 1 :

=     13 + 412 + 1024  

LCM of 3 12 .24 is  24

=  [(1x8) +(4x2) + (10x1)] / 24

= (8+8+10)24

 = (26)24

 = 1312

 



10)  

 Simplify   :   33 + 512 + 724

Answer: 4124


SOLUTION 1 :

=     33 + 512 + 724  

LCM of 3 12 .24 is  24

=  [(3x8) +(5x2) + (7x1)] / 24

= (24+10+7)24

 = (41)24

 = 4124