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   :   53 + 712 + 1224


Answer:_______________




2)  

 Simplify   :   53 + 212 + 724


Answer:_______________




3)  

 Simplify   :   43 + 812 + 624


Answer:_______________




4)  

 Simplify   :   53 + 412 + 1224


Answer:_______________




5)  

 Simplify   :   33 + 512 + 524


Answer:_______________




6)  

 Simplify   :   13 + 612 + 624


Answer:_______________




7)  

 Simplify   :   43 + 412 + 824


Answer:_______________




8)  

 Simplify   :   53 + 312 + 724


Answer:_______________




9)  

 Simplify   :   43 + 612 + 1224


Answer:_______________




10)  

 Simplify   :   23 + 712 + 924


Answer:_______________




 

1)  

 Simplify   :   53 + 712 + 1224

Answer: 114


SOLUTION 1 :

=     53 + 712 + 1224  

LCM of 3 12 .24 is  24

=  [(5x8) +(7x2) + (12x1)] / 24

= (40+14+12)24

 = (66)24

 = 114

 



2)  

 Simplify   :   53 + 212 + 724

Answer: 178


SOLUTION 1 :

=     53 + 212 + 724  

LCM of 3 12 .24 is  24

=  [(5x8) +(2x2) + (7x1)] / 24

= (40+4+7)24

 = (51)24

 = 178

 



3)  

 Simplify   :   43 + 812 + 624

Answer: 94


SOLUTION 1 :

=     43 + 812 + 624  

LCM of 3 12 .24 is  24

=  [(4x8) +(8x2) + (6x1)] / 24

= (32+16+6)24

 = (54)24

 = 94

 



4)  

 Simplify   :   53 + 412 + 1224

Answer: 52


SOLUTION 1 :

=     53 + 412 + 1224  

LCM of 3 12 .24 is  24

=  [(5x8) +(4x2) + (12x1)] / 24

= (40+8+12)24

 = (60)24

 = 52

 



5)  

 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

 



6)  

 Simplify   :   13 + 612 + 624

Answer: 1312


SOLUTION 1 :

=     13 + 612 + 624  

LCM of 3 12 .24 is  24

=  [(1x8) +(6x2) + (6x1)] / 24

= (8+12+6)24

 = (26)24

 = 1312

 



7)  

 Simplify   :   43 + 412 + 824

Answer: 21


SOLUTION 1 :

=     43 + 412 + 824  

LCM of 3 12 .24 is  24

=  [(4x8) +(4x2) + (8x1)] / 24

= (32+8+8)24

 = (48)24

 = 21

 



8)  

 Simplify   :   53 + 312 + 724

Answer: 5324


SOLUTION 1 :

=     53 + 312 + 724  

LCM of 3 12 .24 is  24

=  [(5x8) +(3x2) + (7x1)] / 24

= (40+6+7)24

 = (53)24

 = 5324

 



9)  

 Simplify   :   43 + 612 + 1224

Answer: 73


SOLUTION 1 :

=     43 + 612 + 1224  

LCM of 3 12 .24 is  24

=  [(4x8) +(6x2) + (12x1)] / 24

= (32+12+12)24

 = (56)24

 = 73

 



10)  

 Simplify   :   23 + 712 + 924

Answer: 138


SOLUTION 1 :

=     23 + 712 + 924  

LCM of 3 12 .24 is  24

=  [(2x8) +(7x2) + (9x1)] / 24

= (16+14+9)24

 = (39)24

 = 138