Scroll:Data Analysis >> Average of a Set of Data >> 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)  

Amutha takes 11 seconds to type 15 words.
How long will it take to type 750 words

seconds


Answer:_______________




2)  

Tulasi takes 16 seconds to type 15 words.
How long will it take to type 585 words

seconds


Answer:_______________




3)  

Chellamal takes 20 seconds to type 15 words.
How long will it take to type 420 words

seconds


Answer:_______________




4)  

Chithra takes 24 seconds to type 15 words.
How long will it take to type 720 words

seconds


Answer:_______________




5)  

Tamilselvi takes 30 seconds to type 15 words.
How long will it take to type 945 words

seconds


Answer:_______________




6)  

Selvanayaki takes 29 seconds to type 15 words.
How long will it take to type 975 words

seconds


Answer:_______________




7)  

Ramani takes 18 seconds to type 15 words.
How long will it take to type 540 words

seconds


Answer:_______________




8)  

Tulasi takes 23 seconds to type 15 words.
How long will it take to type 150 words

seconds


Answer:_______________




9)  

Keerthi takes 18 seconds to type 15 words.
How long will it take to type 360 words

seconds


Answer:_______________




10)  

Tulasi takes 17 seconds to type 15 words.
How long will it take to type 450 words

seconds


Answer:_______________




 

1)  

Amutha takes 11 seconds to type 15 words.
How long will it take to type 750 words

Answer: 550 seconds


SOLUTION 1 :

Step 1:  750 ÷ 15 = 50 
Step 2: 50 x 11 = 550 seconds



2)  

Tulasi takes 16 seconds to type 15 words.
How long will it take to type 585 words

Answer: 624 seconds


SOLUTION 1 :

Step 1:  585 ÷ 15 = 39 
Step 2: 39 x 16 = 624 seconds



3)  

Chellamal takes 20 seconds to type 15 words.
How long will it take to type 420 words

Answer: 560 seconds


SOLUTION 1 :

Step 1:  420 ÷ 15 = 28 
Step 2: 28 x 20 = 560 seconds



4)  

Chithra takes 24 seconds to type 15 words.
How long will it take to type 720 words

Answer: 1152 seconds


SOLUTION 1 :

Step 1:  720 ÷ 15 = 48 
Step 2: 48 x 24 = 1152 seconds



5)  

Tamilselvi takes 30 seconds to type 15 words.
How long will it take to type 945 words

Answer: 1890 seconds


SOLUTION 1 :

Step 1:  945 ÷ 15 = 63 
Step 2: 63 x 30 = 1890 seconds



6)  

Selvanayaki takes 29 seconds to type 15 words.
How long will it take to type 975 words

Answer: 1885 seconds


SOLUTION 1 :

Step 1:  975 ÷ 15 = 65 
Step 2: 65 x 29 = 1885 seconds



7)  

Ramani takes 18 seconds to type 15 words.
How long will it take to type 540 words

Answer: 648 seconds


SOLUTION 1 :

Step 1:  540 ÷ 15 = 36 
Step 2: 36 x 18 = 648 seconds



8)  

Tulasi takes 23 seconds to type 15 words.
How long will it take to type 150 words

Answer: 230 seconds


SOLUTION 1 :

Step 1:  150 ÷ 15 = 10 
Step 2: 10 x 23 = 230 seconds



9)  

Keerthi takes 18 seconds to type 15 words.
How long will it take to type 360 words

Answer: 432 seconds


SOLUTION 1 :

Step 1:  360 ÷ 15 = 24 
Step 2: 24 x 18 = 432 seconds



10)  

Tulasi takes 17 seconds to type 15 words.
How long will it take to type 450 words

Answer: 510 seconds


SOLUTION 1 :

Step 1:  450 ÷ 15 = 30 
Step 2: 30 x 17 = 510 seconds