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 660 = 30 x 11 x __________.


Answer:_______________




2)  

Solve the problem below.

21 x 250 = 21 x 5 x __________.


Answer:_______________




3)  

Solve the problem below.

22 x 160 = 22 x 8 x __________.


Answer:_______________




4)  

Solve the problem below.

29 x 160 = 29 x 4 x __________.


Answer:_______________




5)  

Solve the problem below.

30 x 360 = 30 x 18 x __________.


Answer:_______________




6)  

Solve the problem below.

24 x 180 = 24 x 2 x __________.


Answer:_______________




7)  

Solve the problem below.

29 x 270 = 29 x 9 x __________.


Answer:_______________




8)  

Solve the problem below.

28 x 160 = 28 x 4 x __________.


Answer:_______________




9)  

Solve the problem below.

30 x 240 = 30 x 24 x __________.


Answer:_______________




10)  

Solve the problem below.

28 x 20 = 28 x 2 x __________.


Answer:_______________




 

1)  

Solve the problem below.

30 x 660 = 30 x 11 x __________.

Answer: 60


SOLUTION 1 :

Step 1: 30 x 660 = 19800
Step 2: 30 x 11 = 330
Step 3: 19800 ÷ 330 = 60



2)  

Solve the problem below.

21 x 250 = 21 x 5 x __________.

Answer: 50


SOLUTION 1 :

Step 1: 21 x 250 = 5250
Step 2: 21 x 5 = 105
Step 3: 5250 ÷ 105 = 50



3)  

Solve the problem below.

22 x 160 = 22 x 8 x __________.

Answer: 20


SOLUTION 1 :

Step 1: 22 x 160 = 3520
Step 2: 22 x 8 = 176
Step 3: 3520 ÷ 176 = 20



4)  

Solve the problem below.

29 x 160 = 29 x 4 x __________.

Answer: 40


SOLUTION 1 :

Step 1: 29 x 160 = 4640
Step 2: 29 x 4 = 116
Step 3: 4640 ÷ 116 = 40



5)  

Solve the problem below.

30 x 360 = 30 x 18 x __________.

Answer: 20


SOLUTION 1 :

Step 1: 30 x 360 = 10800
Step 2: 30 x 18 = 540
Step 3: 10800 ÷ 540 = 20



6)  

Solve the problem below.

24 x 180 = 24 x 2 x __________.

Answer: 90


SOLUTION 1 :

Step 1: 24 x 180 = 4320
Step 2: 24 x 2 = 48
Step 3: 4320 ÷ 48 = 90



7)  

Solve the problem below.

29 x 270 = 29 x 9 x __________.

Answer: 30


SOLUTION 1 :

Step 1: 29 x 270 = 7830
Step 2: 29 x 9 = 261
Step 3: 7830 ÷ 261 = 30



8)  

Solve the problem below.

28 x 160 = 28 x 4 x __________.

Answer: 40


SOLUTION 1 :

Step 1: 28 x 160 = 4480
Step 2: 28 x 4 = 112
Step 3: 4480 ÷ 112 = 40



9)  

Solve the problem below.

30 x 240 = 30 x 24 x __________.

Answer: 10


SOLUTION 1 :

Step 1: 30 x 240 = 7200
Step 2: 30 x 24 = 720
Step 3: 7200 ÷ 720 = 10



10)  

Solve the problem below.

28 x 20 = 28 x 2 x __________.

Answer: 10


SOLUTION 1 :

Step 1: 28 x 20 = 560
Step 2: 28 x 2 = 56
Step 3: 560 ÷ 56 = 10