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)  

Poongodi takes 22 seconds to type 15 words.
How long will it take to type 780 words

seconds


Answer:_______________




2)  

Nandini takes 15 seconds to type 15 words.
How long will it take to type 495 words

seconds


Answer:_______________




3)  

Tamilselvi takes 10 seconds to type 15 words.
How long will it take to type 360 words

seconds


Answer:_______________




4)  

Keerthi takes 16 seconds to type 15 words.
How long will it take to type 435 words

seconds


Answer:_______________




5)  

Ramani takes 14 seconds to type 15 words.
How long will it take to type 180 words

seconds


Answer:_______________




6)  

Ponnalagu takes 21 seconds to type 15 words.
How long will it take to type 405 words

seconds


Answer:_______________




7)  

Keerthi takes 21 seconds to type 15 words.
How long will it take to type 900 words

seconds


Answer:_______________




8)  

Ovini takes 30 seconds to type 15 words.
How long will it take to type 990 words

seconds


Answer:_______________




9)  

Ovini takes 16 seconds to type 15 words.
How long will it take to type 705 words

seconds


Answer:_______________




10)  

Nandini takes 28 seconds to type 15 words.
How long will it take to type 645 words

seconds


Answer:_______________




 

1)  

Poongodi takes 22 seconds to type 15 words.
How long will it take to type 780 words

Answer: 1144 seconds


SOLUTION 1 :

Step 1:  780 ÷ 15 = 52 
Step 2: 52 x 22 = 1144 seconds



2)  

Nandini takes 15 seconds to type 15 words.
How long will it take to type 495 words

Answer: 495 seconds


SOLUTION 1 :

Step 1:  495 ÷ 15 = 33 
Step 2: 33 x 15 = 495 seconds



3)  

Tamilselvi takes 10 seconds to type 15 words.
How long will it take to type 360 words

Answer: 240 seconds


SOLUTION 1 :

Step 1:  360 ÷ 15 = 24 
Step 2: 24 x 10 = 240 seconds



4)  

Keerthi takes 16 seconds to type 15 words.
How long will it take to type 435 words

Answer: 464 seconds


SOLUTION 1 :

Step 1:  435 ÷ 15 = 29 
Step 2: 29 x 16 = 464 seconds



5)  

Ramani takes 14 seconds to type 15 words.
How long will it take to type 180 words

Answer: 168 seconds


SOLUTION 1 :

Step 1:  180 ÷ 15 = 12 
Step 2: 12 x 14 = 168 seconds



6)  

Ponnalagu takes 21 seconds to type 15 words.
How long will it take to type 405 words

Answer: 567 seconds


SOLUTION 1 :

Step 1:  405 ÷ 15 = 27 
Step 2: 27 x 21 = 567 seconds



7)  

Keerthi takes 21 seconds to type 15 words.
How long will it take to type 900 words

Answer: 1260 seconds


SOLUTION 1 :

Step 1:  900 ÷ 15 = 60 
Step 2: 60 x 21 = 1260 seconds



8)  

Ovini takes 30 seconds to type 15 words.
How long will it take to type 990 words

Answer: 1980 seconds


SOLUTION 1 :

Step 1:  990 ÷ 15 = 66 
Step 2: 66 x 30 = 1980 seconds



9)  

Ovini takes 16 seconds to type 15 words.
How long will it take to type 705 words

Answer: 752 seconds


SOLUTION 1 :

Step 1:  705 ÷ 15 = 47 
Step 2: 47 x 16 = 752 seconds



10)  

Nandini takes 28 seconds to type 15 words.
How long will it take to type 645 words

Answer: 1204 seconds


SOLUTION 1 :

Step 1:  645 ÷ 15 = 43 
Step 2: 43 x 28 = 1204 seconds