Scroll:Mental Sums >> Mental Sums >> saq (492)


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)  

Solve the problem below.

732 x 84 = (700 x 84) + (40 x 84) - ( ___ x 84)



Answer:_______________




2)  

Solve the problem below.

778 x 57 = (700 x 57) + (60 x 57) + ( ___ x 57)



Answer:_______________




3)  

Solve the problem below.

974 x 55 = (900 x 55) + (80 x 55) - ( ___ x 55)



Answer:_______________




4)  

Solve the problem below.

656 x 61 = (600 x 61) + (40 x 61) + ( ___ x 61)



Answer:_______________




5)  

Solve the problem below.

162 x 16 = (100 x 16) + (70 x 16) - ( ___ x 16)



Answer:_______________




6)  

Solve the problem below.

473 x 97 = (400 x 97) + (60 x 97) + ( ___ x 97)



Answer:_______________




7)  

Solve the problem below.

278 x 17 = (200 x 17) + (80 x 17) - ( ___ x 17)



Answer:_______________




8)  

Solve the problem below.

369 x 71 = (300 x 71) + (50 x 71) + ( ___ x 71)



Answer:_______________




9)  

Solve the problem below.

474 x 93 = (400 x 93) + (80 x 93) - ( ___ x 93)



Answer:_______________




10)  

Solve the problem below.

774 x 57 = (700 x 57) + (60 x 57) + ( ___ x 57)



Answer:_______________




 

1)  

Solve the problem below.

732 x 84 = (700 x 84) + (40 x 84) - ( ___ x 84)


Answer: 8


SOLUTION 1 :

Step 1: 700 + 40 = 740  

Step 2: 740 - 732 = 8



2)  

Solve the problem below.

778 x 57 = (700 x 57) + (60 x 57) + ( ___ x 57)


Answer: 18


SOLUTION 1 :

Step 1: 700 + 60 = 760  

Step 2: 778 - 760 = 18



3)  

Solve the problem below.

974 x 55 = (900 x 55) + (80 x 55) - ( ___ x 55)


Answer: 6


SOLUTION 1 :

Step 1: 900 + 80 = 980  

Step 2: 980 - 974 = 6



4)  

Solve the problem below.

656 x 61 = (600 x 61) + (40 x 61) + ( ___ x 61)


Answer: 16


SOLUTION 1 :

Step 1: 600 + 40 = 640  

Step 2: 656 - 640 = 16



5)  

Solve the problem below.

162 x 16 = (100 x 16) + (70 x 16) - ( ___ x 16)


Answer: 8


SOLUTION 1 :

Step 1: 100 + 70 = 170  

Step 2: 170 - 162 = 8



6)  

Solve the problem below.

473 x 97 = (400 x 97) + (60 x 97) + ( ___ x 97)


Answer: 13


SOLUTION 1 :

Step 1: 400 + 60 = 460  

Step 2: 473 - 460 = 13



7)  

Solve the problem below.

278 x 17 = (200 x 17) + (80 x 17) - ( ___ x 17)


Answer: 2


SOLUTION 1 :

Step 1: 200 + 80 = 280  

Step 2: 280 - 278 = 2



8)  

Solve the problem below.

369 x 71 = (300 x 71) + (50 x 71) + ( ___ x 71)


Answer: 19


SOLUTION 1 :

Step 1: 300 + 50 = 350  

Step 2: 369 - 350 = 19



9)  

Solve the problem below.

474 x 93 = (400 x 93) + (80 x 93) - ( ___ x 93)


Answer: 6


SOLUTION 1 :

Step 1: 400 + 80 = 480  

Step 2: 480 - 474 = 6



10)  

Solve the problem below.

774 x 57 = (700 x 57) + (60 x 57) + ( ___ x 57)


Answer: 14


SOLUTION 1 :

Step 1: 700 + 60 = 760  

Step 2: 774 - 760 = 14