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.

30 x 240 = 30 x 8 x __________.


Answer:_______________




2)  

Solve the problem below.

22 x 140 = 22 x 2 x __________.


Answer:_______________




3)  

Solve the problem below.

24 x 660 = 24 x 11 x __________.


Answer:_______________




4)  

Solve the problem below.

22 x 10 = 22 x 1 x __________.


Answer:_______________




5)  

Solve the problem below.

20 x 280 = 20 x 28 x __________.


Answer:_______________




6)  

Solve the problem below.

22 x 40 = 22 x 1 x __________.


Answer:_______________




7)  

Solve the problem below.

27 x 810 = 27 x 27 x __________.


Answer:_______________




8)  

Solve the problem below.

22 x 50 = 22 x 5 x __________.


Answer:_______________




9)  

Solve the problem below.

21 x 340 = 21 x 17 x __________.


Answer:_______________




10)  

Solve the problem below.

24 x 300 = 24 x 5 x __________.


Answer:_______________




 

1)  

Solve the problem below.

30 x 240 = 30 x 8 x __________.

Answer: 30


SOLUTION 1 :

Step 1: 30 x 240 = 7200
Step 2: 30 x 8 = 240
Step 3: 7200 ÷ 240 = 30



2)  

Solve the problem below.

22 x 140 = 22 x 2 x __________.

Answer: 70


SOLUTION 1 :

Step 1: 22 x 140 = 3080
Step 2: 22 x 2 = 44
Step 3: 3080 ÷ 44 = 70



3)  

Solve the problem below.

24 x 660 = 24 x 11 x __________.

Answer: 60


SOLUTION 1 :

Step 1: 24 x 660 = 15840
Step 2: 24 x 11 = 264
Step 3: 15840 ÷ 264 = 60



4)  

Solve the problem below.

22 x 10 = 22 x 1 x __________.

Answer: 10


SOLUTION 1 :

Step 1: 22 x 10 = 220
Step 2: 22 x 1 = 22
Step 3: 220 ÷ 22 = 10



5)  

Solve the problem below.

20 x 280 = 20 x 28 x __________.

Answer: 10


SOLUTION 1 :

Step 1: 20 x 280 = 5600
Step 2: 20 x 28 = 560
Step 3: 5600 ÷ 560 = 10



6)  

Solve the problem below.

22 x 40 = 22 x 1 x __________.

Answer: 40


SOLUTION 1 :

Step 1: 22 x 40 = 880
Step 2: 22 x 1 = 22
Step 3: 880 ÷ 22 = 40



7)  

Solve the problem below.

27 x 810 = 27 x 27 x __________.

Answer: 30


SOLUTION 1 :

Step 1: 27 x 810 = 21870
Step 2: 27 x 27 = 729
Step 3: 21870 ÷ 729 = 30



8)  

Solve the problem below.

22 x 50 = 22 x 5 x __________.

Answer: 10


SOLUTION 1 :

Step 1: 22 x 50 = 1100
Step 2: 22 x 5 = 110
Step 3: 1100 ÷ 110 = 10



9)  

Solve the problem below.

21 x 340 = 21 x 17 x __________.

Answer: 20


SOLUTION 1 :

Step 1: 21 x 340 = 7140
Step 2: 21 x 17 = 357
Step 3: 7140 ÷ 357 = 20



10)  

Solve the problem below.

24 x 300 = 24 x 5 x __________.

Answer: 60


SOLUTION 1 :

Step 1: 24 x 300 = 7200
Step 2: 24 x 5 = 120
Step 3: 7200 ÷ 120 = 60