Latest CTS Aptitude Question SOLUTION: A jar has 50 coins: all pennies, nickles, and dimes, with a total value of $3.50. There are twice as many nickles as as pennies. How many are there of each coin?

• Placement Papers
• /
• CTS
• /
• Numerical Ability
• /
• Algebra

CTS Question Papers: CTS Interview Experience(3) CTS Company Profile

(#M40026197) CTS Numerical Ability question Keep an EYE

A jar has 50 coins: all pennies, nickles, and dimes, with a total value of $3.50. There are twice as many nickles as as pennies. How many are there of each coin?

Asked In CTS chaitanya (10 years ago)

Unsolved Read Solution (7)

Is this Puzzle helpful?   (7)   (1) Submit Your Solution Algebra

Read Solution (7) :

PARAG KAMRA  (10 years ago)

p=>pennies
n=> nickles
d=> dimes
A jar has 50 coins,so
p+n+d=50
total value is $3.50
0.01p + 0.05n + 0.10d=3.50

n=2p(given)

p+5n+10d=350

p+10p+10d=350

11p + 10d =350 ......(1)

(now in terms of coin)

p+n+d=50
p+2p+d=50

3p+d=50 --- ....(2)

after solving we get

p=7.8(ans)

Is this solution Helpfull? Yes (13) | No (6)  

ARPIT TARAN  (10 years ago)

If we take $3.10 then exact answer is coming, i think problem in question!
Penny= 1cent
Nickle= 5cent
Dime= 10cent

So equation in terms of $ will be:
0.01p + 0.05n + 0.10d=3.10
or
p+5n+10d=310
(Given n=2p)
So, 11p+10d=310....eqn1

We know, p+n+d=50
then
3p+d=50....eqn2

Solving eqn1 &2
we get;
p=10
d=20
n=20

10p= 10cents
20nickle= 100cents
20dimes= 200cents

So value comes out to be: 310 cents i.e. $3.10

Is this solution Helpfull? Yes (12) | No   

Shamik Banerjee  (10 years ago)

0.01p + 0.05n + 0.10d=3.50
From where are you getting this?

Is this solution Helpfull? Yes (8) | No   

MD  (10 years ago)

value of dime can't b determined so not possible

Is this solution Helpfull? Yes (5) | No (1)  

Ritu Mitra  (10 years ago)

Is 1 Pennies=$.01
1 nickles=$.05
1 dimes=$.10 ?????

Is this solution Helpfull? Yes (2) | No   

Sravani  (10 years ago)

plz explain how do v get
0.01p + 0.05n + 0.10d=3.50????

Is this solution Helpfull? Yes (2) | No   

sourav dutta  (10 years ago)

p=pennies .01 .01p
2p=nickles .05 .05(2p)
d=dimes .10 .10(50-3p)=5-.30p

p+2p+d=50
d=50-3p
.01p+.05(2p)+5-.3p=3.5
.01p+.1p+5-.3p=3.5
-.19p+5=3.5
5-3.5=.19p
1.5=.19p

Is this solution Helpfull? Yes | No   

Please Login to Read Solution.