Scroll:Whole Numbers >> Four Operations >> saq (1468)

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)  

Ponnalagu takes 12 seconds to type 15 words.
How long will it take to type 810 words

seconds


Answer:_______________




2)  

Chithra takes 22 seconds to type 15 words.
How long will it take to type 810 words

seconds


Answer:_______________




3)  

Chellamal takes 23 seconds to type 15 words.
How long will it take to type 990 words

seconds


Answer:_______________




4)  

Savithri takes 10 seconds to type 15 words.
How long will it take to type 720 words

seconds


Answer:_______________




5)  

Parveen takes 26 seconds to type 15 words.
How long will it take to type 120 words

seconds


Answer:_______________




6)  

Jeevini takes 18 seconds to type 15 words.
How long will it take to type 885 words

seconds


Answer:_______________




7)  

Indra takes 27 seconds to type 15 words.
How long will it take to type 900 words

seconds


Answer:_______________




8)  

Ovini takes 11 seconds to type 15 words.
How long will it take to type 525 words

seconds


Answer:_______________




9)  

Mithra takes 29 seconds to type 15 words.
How long will it take to type 540 words

seconds


Answer:_______________




10)  

Tamilselvi takes 30 seconds to type 15 words.
How long will it take to type 315 words

seconds


Answer:_______________




 

1)  

Ponnalagu takes 12 seconds to type 15 words.
How long will it take to type 810 words

Answer: 648 seconds


SOLUTION 1 :

Step 1:  810 ÷ 15 = 54 
Step 2: 54 x 12 = 648 seconds



2)  

Chithra takes 22 seconds to type 15 words.
How long will it take to type 810 words

Answer: 1188 seconds


SOLUTION 1 :

Step 1:  810 ÷ 15 = 54 
Step 2: 54 x 22 = 1188 seconds



3)  

Chellamal takes 23 seconds to type 15 words.
How long will it take to type 990 words

Answer: 1518 seconds


SOLUTION 1 :

Step 1:  990 ÷ 15 = 66 
Step 2: 66 x 23 = 1518 seconds



4)  

Savithri takes 10 seconds to type 15 words.
How long will it take to type 720 words

Answer: 480 seconds


SOLUTION 1 :

Step 1:  720 ÷ 15 = 48 
Step 2: 48 x 10 = 480 seconds



5)  

Parveen takes 26 seconds to type 15 words.
How long will it take to type 120 words

Answer: 208 seconds


SOLUTION 1 :

Step 1:  120 ÷ 15 = 8 
Step 2: 8 x 26 = 208 seconds



6)  

Jeevini takes 18 seconds to type 15 words.
How long will it take to type 885 words

Answer: 1062 seconds


SOLUTION 1 :

Step 1:  885 ÷ 15 = 59 
Step 2: 59 x 18 = 1062 seconds



7)  

Indra takes 27 seconds to type 15 words.
How long will it take to type 900 words

Answer: 1620 seconds


SOLUTION 1 :

Step 1:  900 ÷ 15 = 60 
Step 2: 60 x 27 = 1620 seconds



8)  

Ovini takes 11 seconds to type 15 words.
How long will it take to type 525 words

Answer: 385 seconds


SOLUTION 1 :

Step 1:  525 ÷ 15 = 35 
Step 2: 35 x 11 = 385 seconds



9)  

Mithra takes 29 seconds to type 15 words.
How long will it take to type 540 words

Answer: 1044 seconds


SOLUTION 1 :

Step 1:  540 ÷ 15 = 36 
Step 2: 36 x 29 = 1044 seconds



10)  

Tamilselvi takes 30 seconds to type 15 words.
How long will it take to type 315 words

Answer: 630 seconds


SOLUTION 1 :

Step 1:  315 ÷ 15 = 21 
Step 2: 21 x 30 = 630 seconds