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)  

Ramani takes 23 seconds to type 15 words.
How long will it take to type 675 words

seconds


Answer:_______________




2)  

Haritha takes 29 seconds to type 15 words.
How long will it take to type 435 words

seconds


Answer:_______________




3)  

Poovazhagi takes 13 seconds to type 15 words.
How long will it take to type 165 words

seconds


Answer:_______________




4)  

Pavi takes 15 seconds to type 15 words.
How long will it take to type 390 words

seconds


Answer:_______________




5)  

Kumutha takes 20 seconds to type 15 words.
How long will it take to type 600 words

seconds


Answer:_______________




6)  

Amutha takes 20 seconds to type 15 words.
How long will it take to type 900 words

seconds


Answer:_______________




7)  

Chithra takes 15 seconds to type 15 words.
How long will it take to type 645 words

seconds


Answer:_______________




8)  

Kumutha takes 25 seconds to type 15 words.
How long will it take to type 240 words

seconds


Answer:_______________




9)  

Selvanayaki takes 22 seconds to type 15 words.
How long will it take to type 210 words

seconds


Answer:_______________




10)  

Savithri takes 27 seconds to type 15 words.
How long will it take to type 780 words

seconds


Answer:_______________




 

1)  

Ramani takes 23 seconds to type 15 words.
How long will it take to type 675 words

Answer: 1035 seconds


SOLUTION 1 :

Step 1:  675 ÷ 15 = 45 
Step 2: 45 x 23 = 1035 seconds



2)  

Haritha takes 29 seconds to type 15 words.
How long will it take to type 435 words

Answer: 841 seconds


SOLUTION 1 :

Step 1:  435 ÷ 15 = 29 
Step 2: 29 x 29 = 841 seconds



3)  

Poovazhagi takes 13 seconds to type 15 words.
How long will it take to type 165 words

Answer: 143 seconds


SOLUTION 1 :

Step 1:  165 ÷ 15 = 11 
Step 2: 11 x 13 = 143 seconds



4)  

Pavi takes 15 seconds to type 15 words.
How long will it take to type 390 words

Answer: 390 seconds


SOLUTION 1 :

Step 1:  390 ÷ 15 = 26 
Step 2: 26 x 15 = 390 seconds



5)  

Kumutha takes 20 seconds to type 15 words.
How long will it take to type 600 words

Answer: 800 seconds


SOLUTION 1 :

Step 1:  600 ÷ 15 = 40 
Step 2: 40 x 20 = 800 seconds



6)  

Amutha takes 20 seconds to type 15 words.
How long will it take to type 900 words

Answer: 1200 seconds


SOLUTION 1 :

Step 1:  900 ÷ 15 = 60 
Step 2: 60 x 20 = 1200 seconds



7)  

Chithra takes 15 seconds to type 15 words.
How long will it take to type 645 words

Answer: 645 seconds


SOLUTION 1 :

Step 1:  645 ÷ 15 = 43 
Step 2: 43 x 15 = 645 seconds



8)  

Kumutha takes 25 seconds to type 15 words.
How long will it take to type 240 words

Answer: 400 seconds


SOLUTION 1 :

Step 1:  240 ÷ 15 = 16 
Step 2: 16 x 25 = 400 seconds



9)  

Selvanayaki takes 22 seconds to type 15 words.
How long will it take to type 210 words

Answer: 308 seconds


SOLUTION 1 :

Step 1:  210 ÷ 15 = 14 
Step 2: 14 x 22 = 308 seconds



10)  

Savithri takes 27 seconds to type 15 words.
How long will it take to type 780 words

Answer: 1404 seconds


SOLUTION 1 :

Step 1:  780 ÷ 15 = 52 
Step 2: 52 x 27 = 1404 seconds