Scroll:Whole Numbers >> Division >> ps (528)

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)  

Mithra's age is a multiple of 8. Next year, her age will be a multiple of 9.
If Mithra is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time


Answer:_______________




2)  

Pavi's age is a multiple of 4. Three years' later, her age will be a multiple of 7. If Pavi is more than 20 years old and less than 50 years old, what is her youngest possible age in 4 years' time


Answer:_______________




3)  

Poovazhagi's age is a multiple of 4. Five years' later, her age will be a multiple of 9.
If Poovazhagi is more than 30 years old and less than 50 years old, what is her youngest possible age in 7 years' time



Answer:_______________




4)  

Ramani's age is a multiple of 5. Next year, her age will be a multiple of 6.
If Ramani is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time


Answer:_______________




5)  

Pavi's age is a multiple of 5. Three years' later, her age will be a multiple of 8. If Pavi is more than 20 years old and less than 50 years old, what is her youngest possible age in 4 years' time


Answer:_______________




6)  

Chithra's age is a multiple of 4. Five years' later, her age will be a multiple of 9.
If Chithra is more than 30 years old and less than 50 years old, what is her youngest possible age in 7 years' time



Answer:_______________




7)  

Savithri's age is a multiple of 8. Next year, her age will be a multiple of 9.
If Savithri is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time


Answer:_______________




8)  

Thamarai's age is a multiple of 4. Three years' later, her age will be a multiple of 7. If Thamarai is more than 20 years old and less than 50 years old, what is her youngest possible age in 4 years' time


Answer:_______________




9)  

Selvanayaki's age is a multiple of 3. Five years' later, her age will be a multiple of 8.
If Selvanayaki is more than 30 years old and less than 50 years old, what is her youngest possible age in 7 years' time



Answer:_______________




10)  

Tamilselvi's age is a multiple of 8. Next year, her age will be a multiple of 9.
If Tamilselvi is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time


Answer:_______________




 

1)  

Mithra's age is a multiple of 8. Next year, her age will be a multiple of 9.
If Mithra is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time
Answer: 85


SOLUTION 1 :

Step 1: Multiples of 8: 8, 16, ï»¿24, 32, 40, 48, 56, 64, ï»¿72, 80, 88, 96


Step 2: Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81


Step 3: Multiples of 9 minus 1 year: 8, 17, 26, 35, 44, 53, 62, 71, 80


Step 4: In 5 years' time, her age will be: 80 + 5 = 85



2)  

Pavi's age is a multiple of 4. Three years' later, her age will be a multiple of 7. If Pavi is more than 20 years old and less than 50 years old, what is her youngest possible age in 4 years' time

Answer: 36


SOLUTION 1 :

Step 1: Multiples of 4: 4, 8, ï»¿12, 16, 20, 24, 28, 32, ï»¿36


Step 2: Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63


Step 3: Multiples of 7 minus 3 years: 4, 11, 18, 25, 32, 39, 46, 53


Step 4: In 4 years' time, her age will be: 32 + 4 = 36



3)  

Poovazhagi's age is a multiple of 4. Five years' later, her age will be a multiple of 9.
If Poovazhagi is more than 30 years old and less than 50 years old, what is her youngest possible age in 7 years' time


Answer: 47


SOLUTION 1 :

Step 1: Multiples of 4: 4, 8, ï»¿12, 16, 20, 24, 28, 32, ï»¿36, 40, 44, 48


Step 2: Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81


Step 3: Multiples of 9 minus 5 years: 4, 13, 22, 31, 40, 49, 58, 67


Step 4: In 7 years' time, her age will be: 40 + 7 = 47



4)  

Ramani's age is a multiple of 5. Next year, her age will be a multiple of 6.
If Ramani is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time
Answer: 40


SOLUTION 1 :

Step 1: Multiples of 5: 5, 10, ï»¿15, 20, 25, 30, 35, 40, ï»¿45, 50, 55, 60


Step 2: Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54


Step 3: Multiples of 6 minus 1 year: 5, 11, 17, 23, 29, 35, 41, 47, 53


Step 4: In 5 years' time, her age will be: 35 + 5 = 40



5)  

Pavi's age is a multiple of 5. Three years' later, her age will be a multiple of 8. If Pavi is more than 20 years old and less than 50 years old, what is her youngest possible age in 4 years' time

Answer: 49


SOLUTION 1 :

Step 1: Multiples of 5: 5, 10, ï»¿15, 20, 25, 30, 35, 40, ï»¿45


Step 2: Multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 72


Step 3: Multiples of 8 minus 3 years: 5, 13, 21, 29, 37, 45, 53, 61


Step 4: In 4 years' time, her age will be: 45 + 4 = 49



6)  

Chithra's age is a multiple of 4. Five years' later, her age will be a multiple of 9.
If Chithra is more than 30 years old and less than 50 years old, what is her youngest possible age in 7 years' time


Answer: 47


SOLUTION 1 :

Step 1: Multiples of 4: 4, 8, ï»¿12, 16, 20, 24, 28, 32, ï»¿36, 40, 44, 48


Step 2: Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81


Step 3: Multiples of 9 minus 5 years: 4, 13, 22, 31, 40, 49, 58, 67


Step 4: In 7 years' time, her age will be: 40 + 7 = 47



7)  

Savithri's age is a multiple of 8. Next year, her age will be a multiple of 9.
If Savithri is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time
Answer: 85


SOLUTION 1 :

Step 1: Multiples of 8: 8, 16, ï»¿24, 32, 40, 48, 56, 64, ï»¿72, 80, 88, 96


Step 2: Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81


Step 3: Multiples of 9 minus 1 year: 8, 17, 26, 35, 44, 53, 62, 71, 80


Step 4: In 5 years' time, her age will be: 80 + 5 = 85



8)  

Thamarai's age is a multiple of 4. Three years' later, her age will be a multiple of 7. If Thamarai is more than 20 years old and less than 50 years old, what is her youngest possible age in 4 years' time

Answer: 36


SOLUTION 1 :

Step 1: Multiples of 4: 4, 8, ï»¿12, 16, 20, 24, 28, 32, ï»¿36


Step 2: Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63


Step 3: Multiples of 7 minus 3 years: 4, 11, 18, 25, 32, 39, 46, 53


Step 4: In 4 years' time, her age will be: 32 + 4 = 36



9)  

Selvanayaki's age is a multiple of 3. Five years' later, her age will be a multiple of 8.
If Selvanayaki is more than 30 years old and less than 50 years old, what is her youngest possible age in 7 years' time


Answer: 34


SOLUTION 1 :

Step 1: Multiples of 3: 3, 6, ï»¿9, 12, 15, 18, 21, 24, ï»¿27, 30, 33, 36


Step 2: Multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 72


Step 3: Multiples of 8 minus 5 years: 3, 11, 19, 27, 35, 43, 51, 59


Step 4: In 7 years' time, her age will be: 27 + 7 = 34



10)  

Tamilselvi's age is a multiple of 8. Next year, her age will be a multiple of 9.
If Tamilselvi is more than 40 years old and less than 90 years old, what is her youngest possible age in 5 years' time
Answer: 85


SOLUTION 1 :

Step 1: Multiples of 8: 8, 16, ï»¿24, 32, 40, 48, 56, 64, ï»¿72, 80, 88, 96


Step 2: Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81


Step 3: Multiples of 9 minus 1 year: 8, 17, 26, 35, 44, 53, 62, 71, 80


Step 4: In 5 years' time, her age will be: 80 + 5 = 85