Scroll:Operations >> Numbers >> ps (134)

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)  

Parveen has some 5-cent and 10-cent coins. The coins add up to 110 cents. There are 7 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Parveen got

five-cent coins

ten-cent coins


Answer:_______________




2)  

Indra has some 5-gram and 10-gram weights. The weights add up to 180 g. There are 3 more 5-gram weights than 10-gram weights.

How many 5-gram weights and 10-gram weights does Indra have

ten-gram weights

five-gram weights



Answer:_______________




3)  

Chellamal has some 20-cent coins and 50-cent coins. The coins add up to $227.40. There are 17 more 20-cent coins than 50-cent coins.

How many 20-cent coins and 50-cent coins Chellamal has 

twenty-cent coins

fifty-cent coins




Answer:_______________




4)  

Ramani has some 5-cent and 10-cent coins. The coins add up to 145 cents. There are 5 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Ramani got

five-cent coins

ten-cent coins


Answer:_______________




5)  

Amutha has some 5-gram and 10-gram weights. The weights add up to 185 g. There are 4 more 5-gram weights than 10-gram weights.

How many 5-gram weights and 10-gram weights does Amutha have

ten-gram weights

five-gram weights



Answer:_______________




6)  

Poovazhagi has some 20-cent coins and 50-cent coins. The coins add up to $131.40. There are 27 more 20-cent coins than 50-cent coins.

How many 20-cent coins and 50-cent coins Poovazhagi has 

twenty-cent coins

fifty-cent coins




Answer:_______________




7)  

Poongodi has some 5-cent and 10-cent coins. The coins add up to 105 cents. There are 9 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Poongodi got

five-cent coins

ten-cent coins


Answer:_______________




8)  

Tamilselvi has some 5-gram and 10-gram weights. The weights add up to 90 g. There are 3 more 5-gram weights than 10-gram weights.

How many 5-gram weights and 10-gram weights does Tamilselvi have

ten-gram weights

five-gram weights



Answer:_______________




9)  

Tamilselvi has some 20-cent coins and 50-cent coins. The coins add up to $267.00. There are 5 more 20-cent coins than 50-cent coins.

How many 20-cent coins and 50-cent coins Tamilselvi has 

twenty-cent coins

fifty-cent coins




Answer:_______________




10)  

Jeevini has some 5-cent and 10-cent coins. The coins add up to 180 cents. There are 9 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Jeevini got

five-cent coins

ten-cent coins


Answer:_______________




 

1)  

Parveen has some 5-cent and 10-cent coins. The coins add up to 110 cents. There are 7 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Parveen got

Answer: 12 five-cent coins

Answer: 5 ten-cent coins


SOLUTION 1 :

There are 7 more 5-cent coins then 10-cent coins.

 Step 1: The value of the 7 five-cent coins → 7 x 5
     = 35 cents
 Step 2: 110 cents - 35 cents  = 75 cents
 Step 3: The value of 1 set of 1 five-cent coin and 1 ten-cent coin → 5 cents + 10 cents
     = 15 cents
 Step 4: 75 ÷ 15 cents  = 5 (10-cent coins)
  5 + 7  = 12 (5-cent coins)

 

 Parveen has 12 five-cent coins and 5 ten-cent coins.



2)  

Indra has some 5-gram and 10-gram weights. The weights add up to 180 g. There are 3 more 5-gram weights than 10-gram weights.

How many 5-gram weights and 10-gram weights does Indra have

Answer: 11 ten-gram weights

Answer: 14 five-gram weights



SOLUTION 1 :

There are 3 more 5-gram weights than 10-gram weights.

 Step 1: The value of the 3 (5-gram weights) → 3 x 5 g
     = 15 g
 Step 2: 180 g - 15 g  = 165 g
 Step 3: 5 g + 10 g  = 15 g (1 set)
 Step 4: 165 g ÷ 15 g = 11 (10-gram weights)
 Step 5: 11 + 3  = 14 (5-gram weights)

 

 

 

Indra has 14 five-gram weights and 11 ten-gram weights



3)  

Chellamal has some 20-cent coins and 50-cent coins. The coins add up to $227.40. There are 17 more 20-cent coins than 50-cent coins.

How many 20-cent coins and 50-cent coins Chellamal has 

Answer: 337 twenty-cent coins

Answer: 320 fifty-cent coins




SOLUTION 1 :

There are 17 more 20-cent coins than 50-cent coins.

 Step 1: The value of the 17 (20-cent coins) → 17 x 20
     = 340 cents
     = $3.40
 Step 2: $227.40 - $3.40  = $224.00
 Step 3: The value of each set of one 20-cent and one 50-cent coins is  = 20 + 50
     = 70 cents (1 set)
     = $0.70
 Step 4: $224.00 ÷ $0.70 = 320 (50-cent coins)
 Step 5: 320 + 17  = 337 (20-cent coins)

 

 Chellamal has 337 twenty-cent coins and 320 fifty-cent coins.



4)  

Ramani has some 5-cent and 10-cent coins. The coins add up to 145 cents. There are 5 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Ramani got

Answer: 13 five-cent coins

Answer: 8 ten-cent coins


SOLUTION 1 :

There are 5 more 5-cent coins then 10-cent coins.

 Step 1: The value of the 5 five-cent coins → 5 x 5
     = 25 cents
 Step 2: 145 cents - 25 cents  = 120 cents
 Step 3: The value of 1 set of 1 five-cent coin and 1 ten-cent coin → 5 cents + 10 cents
     = 15 cents
 Step 4: 120 ÷ 15 cents  = 8 (10-cent coins)
  8 + 5  = 13 (5-cent coins)

 

 Ramani has 13 five-cent coins and 8 ten-cent coins.



5)  

Amutha has some 5-gram and 10-gram weights. The weights add up to 185 g. There are 4 more 5-gram weights than 10-gram weights.

How many 5-gram weights and 10-gram weights does Amutha have

Answer: 11 ten-gram weights

Answer: 15 five-gram weights



SOLUTION 1 :

There are 4 more 5-gram weights than 10-gram weights.

 Step 1: The value of the 4 (5-gram weights) → 4 x 5 g
     = 20 g
 Step 2: 185 g - 20 g  = 165 g
 Step 3: 5 g + 10 g  = 15 g (1 set)
 Step 4: 165 g ÷ 15 g = 11 (10-gram weights)
 Step 5: 11 + 4  = 15 (5-gram weights)

 

 

 

Amutha has 15 five-gram weights and 11 ten-gram weights



6)  

Poovazhagi has some 20-cent coins and 50-cent coins. The coins add up to $131.40. There are 27 more 20-cent coins than 50-cent coins.

How many 20-cent coins and 50-cent coins Poovazhagi has 

Answer: 207 twenty-cent coins

Answer: 180 fifty-cent coins




SOLUTION 1 :

There are 27 more 20-cent coins than 50-cent coins.

 Step 1: The value of the 27 (20-cent coins) → 27 x 20
     = 540 cents
     = $5.40
 Step 2: $131.40 - $5.40  = $126.00
 Step 3: The value of each set of one 20-cent and one 50-cent coins is  = 20 + 50
     = 70 cents (1 set)
     = $0.70
 Step 4: $126.00 ÷ $0.70 = 180 (50-cent coins)
 Step 5: 180 + 27  = 207 (20-cent coins)

 

 Poovazhagi has 207 twenty-cent coins and 180 fifty-cent coins.



7)  

Poongodi has some 5-cent and 10-cent coins. The coins add up to 105 cents. There are 9 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Poongodi got

Answer: 13 five-cent coins

Answer: 4 ten-cent coins


SOLUTION 1 :

There are 9 more 5-cent coins then 10-cent coins.

 Step 1: The value of the 9 five-cent coins → 9 x 5
     = 45 cents
 Step 2: 105 cents - 45 cents  = 60 cents
 Step 3: The value of 1 set of 1 five-cent coin and 1 ten-cent coin → 5 cents + 10 cents
     = 15 cents
 Step 4: 60 ÷ 15 cents  = 4 (10-cent coins)
  4 + 9  = 13 (5-cent coins)

 

 Poongodi has 13 five-cent coins and 4 ten-cent coins.



8)  

Tamilselvi has some 5-gram and 10-gram weights. The weights add up to 90 g. There are 3 more 5-gram weights than 10-gram weights.

How many 5-gram weights and 10-gram weights does Tamilselvi have

Answer: 5 ten-gram weights

Answer: 8 five-gram weights



SOLUTION 1 :

There are 3 more 5-gram weights than 10-gram weights.

 Step 1: The value of the 3 (5-gram weights) → 3 x 5 g
     = 15 g
 Step 2: 90 g - 15 g  = 75 g
 Step 3: 5 g + 10 g  = 15 g (1 set)
 Step 4: 75 g ÷ 15 g = 5 (10-gram weights)
 Step 5: 5 + 3  = 8 (5-gram weights)

 

 

 

Tamilselvi has 8 five-gram weights and 5 ten-gram weights



9)  

Tamilselvi has some 20-cent coins and 50-cent coins. The coins add up to $267.00. There are 5 more 20-cent coins than 50-cent coins.

How many 20-cent coins and 50-cent coins Tamilselvi has 

Answer: 385 twenty-cent coins

Answer: 380 fifty-cent coins




SOLUTION 1 :

There are 5 more 20-cent coins than 50-cent coins.

 Step 1: The value of the 5 (20-cent coins) → 5 x 20
     = 100 cents
     = $1.00
 Step 2: $267.00 - $1.00  = $266.00
 Step 3: The value of each set of one 20-cent and one 50-cent coins is  = 20 + 50
     = 70 cents (1 set)
     = $0.70
 Step 4: $266.00 ÷ $0.70 = 380 (50-cent coins)
 Step 5: 380 + 5  = 385 (20-cent coins)

 

 Tamilselvi has 385 twenty-cent coins and 380 fifty-cent coins.



10)  

Jeevini has some 5-cent and 10-cent coins. The coins add up to 180 cents. There are 9 more 5-cent coins than 10-cent coins. How many 5-cent coins than 10-cent coins.

How many 5-cent coins and 10-cent coins has Jeevini got

Answer: 18 five-cent coins

Answer: 9 ten-cent coins


SOLUTION 1 :

There are 9 more 5-cent coins then 10-cent coins.

 Step 1: The value of the 9 five-cent coins → 9 x 5
     = 45 cents
 Step 2: 180 cents - 45 cents  = 135 cents
 Step 3: The value of 1 set of 1 five-cent coin and 1 ten-cent coin → 5 cents + 10 cents
     = 15 cents
 Step 4: 135 ÷ 15 cents  = 9 (10-cent coins)
  9 + 9  = 18 (5-cent coins)

 

 Jeevini has 18 five-cent coins and 9 ten-cent coins.