Scroll:Whole Numbers >> Model Approach >> ps (441)

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 had twice as many marbles as Nandini.
Amutha had thrice as many marbles as Mithra.
If Amutha had 30 more marbles than Nandini, how many marbles did Mithra have


Answer:_______________




2)  

Ron had thrice as many marbles as Lim.
Wei had twice as many marbles as Ron.
If Wei had 145 more marbles than Lim, how many marbles did Ron have


Answer:_______________




3)  

Indra had twice as many marbles as Jeevini.
Swathi had twice as many marbles as Indra.
If Swathi had 135 more marbles than Jeevini, how many marbles did Indra have


Answer:_______________




4)  

Thamarai had twice as many marbles as Pavi.
Nandini had thrice as many marbles as Thamarai.
If Nandini had 160 more marbles than Pavi, how many marbles did Thamarai have


Answer:_______________




5)  

Ron had thrice as many marbles as Lim.
Wei had twice as many marbles as Ron.
If Wei had 185 more marbles than Lim, how many marbles did Ron have


Answer:_______________




6)  

Mithra had twice as many marbles as Thamarai.
Panimalar had twice as many marbles as Mithra.
If Panimalar had 138 more marbles than Thamarai, how many marbles did Mithra have


Answer:_______________




7)  

Jeevini had twice as many marbles as Thamarai.
Poongodi had thrice as many marbles as Jeevini.
If Poongodi had 70 more marbles than Thamarai, how many marbles did Jeevini have


Answer:_______________




8)  

Ron had thrice as many marbles as Lim.
Wei had twice as many marbles as Ron.
If Wei had 110 more marbles than Lim, how many marbles did Ron have


Answer:_______________




9)  

Nandini had twice as many marbles as Thamarai.
Chellamal had twice as many marbles as Nandini.
If Chellamal had 90 more marbles than Thamarai, how many marbles did Nandini have


Answer:_______________




10)  

Savithri had twice as many marbles as Nandini.
Ramani had thrice as many marbles as Savithri.
If Ramani had 80 more marbles than Nandini, how many marbles did Savithri have


Answer:_______________




 

1)  

Mithra had twice as many marbles as Nandini.
Amutha had thrice as many marbles as Mithra.
If Amutha had 30 more marbles than Nandini, how many marbles did Mithra have

Answer: 12


SOLUTION 1 :
Mithra
 
 
Nandini
 
Amutha
 
 
 
 
 
 
 
 
 
30 more than Nandini

Step 1:  5 units = 30

Step 2: 1 unit = 30 ÷ 5

                      = 6

Step 3: 2 units = 2 x 6

                        = 12

Mithra have 12 marbles.



2)  

Ron had thrice as many marbles as Lim.
Wei had twice as many marbles as Ron.
If Wei had 145 more marbles than Lim, how many marbles did Ron have

Answer: 87


SOLUTION 1 :
Ron
 
 
 
Lim
 
Wei
 
 
 
 
 
 
 
 
 
145 more than Lim

Step 1:  5 units = 145

Step 2: 1 unit = 145 ÷ 5

                      = 29

Step 3: 3 units = 3 x 29

                        = 87

Ron had 87 marbles.



3)  

Indra had twice as many marbles as Jeevini.
Swathi had twice as many marbles as Indra.
If Swathi had 135 more marbles than Jeevini, how many marbles did Indra have

Answer: 90


SOLUTION 1 :
Indra
 
 
Jeevini
 
Swathi
 
 
 
 
 
 
 
135 more than Jeevini

Step 1:  3 units = 135

Step 2: 1 unit = 135 ÷ 3

                      = 45

Step 3: 2 units = 2 x 45

                        = 90

Indra had 90 marbles.



4)  

Thamarai had twice as many marbles as Pavi.
Nandini had thrice as many marbles as Thamarai.
If Nandini had 160 more marbles than Pavi, how many marbles did Thamarai have

Answer: 64


SOLUTION 1 :
Thamarai
 
 
Pavi
 
Nandini
 
 
 
 
 
 
 
 
 
160 more than Pavi

Step 1:  5 units = 160

Step 2: 1 unit = 160 ÷ 5

                      = 32

Step 3: 2 units = 2 x 32

                        = 64

Thamarai have 64 marbles.



5)  

Ron had thrice as many marbles as Lim.
Wei had twice as many marbles as Ron.
If Wei had 185 more marbles than Lim, how many marbles did Ron have

Answer: 111


SOLUTION 1 :
Ron
 
 
 
Lim
 
Wei
 
 
 
 
 
 
 
 
 
185 more than Lim

Step 1:  5 units = 185

Step 2: 1 unit = 185 ÷ 5

                      = 37

Step 3: 3 units = 3 x 37

                        = 111

Ron had 111 marbles.



6)  

Mithra had twice as many marbles as Thamarai.
Panimalar had twice as many marbles as Mithra.
If Panimalar had 138 more marbles than Thamarai, how many marbles did Mithra have

Answer: 92


SOLUTION 1 :
Mithra
 
 
Thamarai
 
Panimalar
 
 
 
 
 
 
 
138 more than Thamarai

Step 1:  3 units = 138

Step 2: 1 unit = 138 ÷ 3

                      = 46

Step 3: 2 units = 2 x 46

                        = 92

Mithra had 92 marbles.



7)  

Jeevini had twice as many marbles as Thamarai.
Poongodi had thrice as many marbles as Jeevini.
If Poongodi had 70 more marbles than Thamarai, how many marbles did Jeevini have

Answer: 28


SOLUTION 1 :
Jeevini
 
 
Thamarai
 
Poongodi
 
 
 
 
 
 
 
 
 
70 more than Thamarai

Step 1:  5 units = 70

Step 2: 1 unit = 70 ÷ 5

                      = 14

Step 3: 2 units = 2 x 14

                        = 28

Jeevini have 28 marbles.



8)  

Ron had thrice as many marbles as Lim.
Wei had twice as many marbles as Ron.
If Wei had 110 more marbles than Lim, how many marbles did Ron have

Answer: 66


SOLUTION 1 :
Ron
 
 
 
Lim
 
Wei
 
 
 
 
 
 
 
 
 
110 more than Lim

Step 1:  5 units = 110

Step 2: 1 unit = 110 ÷ 5

                      = 22

Step 3: 3 units = 3 x 22

                        = 66

Ron had 66 marbles.



9)  

Nandini had twice as many marbles as Thamarai.
Chellamal had twice as many marbles as Nandini.
If Chellamal had 90 more marbles than Thamarai, how many marbles did Nandini have

Answer: 60


SOLUTION 1 :
Nandini
 
 
Thamarai
 
Chellamal
 
 
 
 
 
 
 
90 more than Thamarai

Step 1:  3 units = 90

Step 2: 1 unit = 90 ÷ 3

                      = 30

Step 3: 2 units = 2 x 30

                        = 60

Nandini had 60 marbles.



10)  

Savithri had twice as many marbles as Nandini.
Ramani had thrice as many marbles as Savithri.
If Ramani had 80 more marbles than Nandini, how many marbles did Savithri have

Answer: 32


SOLUTION 1 :
Savithri
 
 
Nandini
 
Ramani
 
 
 
 
 
 
 
 
 
80 more than Nandini

Step 1:  5 units = 80

Step 2: 1 unit = 80 ÷ 5

                      = 16

Step 3: 2 units = 2 x 16

                        = 32

Savithri have 32 marbles.