Scroll:Mental Sums >> Mental Sums >> saq (1342)

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.

20 x 30 = 20 x 3 x __________.


Answer:_______________




2)  

Solve the problem below.

25 x 700 = 25 x 14 x __________.


Answer:_______________




3)  

Solve the problem below.

26 x 40 = 26 x 2 x __________.


Answer:_______________




4)  

Solve the problem below.

27 x 340 = 27 x 17 x __________.


Answer:_______________




5)  

Solve the problem below.

26 x 30 = 26 x 3 x __________.


Answer:_______________




6)  

Solve the problem below.

26 x 360 = 26 x 9 x __________.


Answer:_______________




7)  

Solve the problem below.

26 x 80 = 26 x 1 x __________.


Answer:_______________




8)  

Solve the problem below.

28 x 2160 = 28 x 27 x __________.


Answer:_______________




9)  

Solve the problem below.

20 x 100 = 20 x 5 x __________.


Answer:_______________




10)  

Solve the problem below.

23 x 1450 = 23 x 29 x __________.


Answer:_______________




 

1)  

Solve the problem below.

20 x 30 = 20 x 3 x __________.

Answer: 10


SOLUTION 1 :

Step 1: 20 x 30 = 600
Step 2: 20 x 3 = 60
Step 3: 600 ÷ 60 = 10



2)  

Solve the problem below.

25 x 700 = 25 x 14 x __________.

Answer: 50


SOLUTION 1 :

Step 1: 25 x 700 = 17500
Step 2: 25 x 14 = 350
Step 3: 17500 ÷ 350 = 50



3)  

Solve the problem below.

26 x 40 = 26 x 2 x __________.

Answer: 20


SOLUTION 1 :

Step 1: 26 x 40 = 1040
Step 2: 26 x 2 = 52
Step 3: 1040 ÷ 52 = 20



4)  

Solve the problem below.

27 x 340 = 27 x 17 x __________.

Answer: 20


SOLUTION 1 :

Step 1: 27 x 340 = 9180
Step 2: 27 x 17 = 459
Step 3: 9180 ÷ 459 = 20



5)  

Solve the problem below.

26 x 30 = 26 x 3 x __________.

Answer: 10


SOLUTION 1 :

Step 1: 26 x 30 = 780
Step 2: 26 x 3 = 78
Step 3: 780 ÷ 78 = 10



6)  

Solve the problem below.

26 x 360 = 26 x 9 x __________.

Answer: 40


SOLUTION 1 :

Step 1: 26 x 360 = 9360
Step 2: 26 x 9 = 234
Step 3: 9360 ÷ 234 = 40



7)  

Solve the problem below.

26 x 80 = 26 x 1 x __________.

Answer: 80


SOLUTION 1 :

Step 1: 26 x 80 = 2080
Step 2: 26 x 1 = 26
Step 3: 2080 ÷ 26 = 80



8)  

Solve the problem below.

28 x 2160 = 28 x 27 x __________.

Answer: 80


SOLUTION 1 :

Step 1: 28 x 2160 = 60480
Step 2: 28 x 27 = 756
Step 3: 60480 ÷ 756 = 80



9)  

Solve the problem below.

20 x 100 = 20 x 5 x __________.

Answer: 20


SOLUTION 1 :

Step 1: 20 x 100 = 2000
Step 2: 20 x 5 = 100
Step 3: 2000 ÷ 100 = 20



10)  

Solve the problem below.

23 x 1450 = 23 x 29 x __________.

Answer: 50


SOLUTION 1 :

Step 1: 23 x 1450 = 33350
Step 2: 23 x 29 = 667
Step 3: 33350 ÷ 667 = 50