Smart Buying Of Sweets

Algebra Level 1

Shakeel wants to spend all his money on sweets. He has enough to buy three small laddus. With the same amount, however, he can buy two large laddus, each of which is 60% larger than a small laddu. What would you advise him to do?

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get the large laddus get the small laddus get all laddus get smallest laddus

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42 solutions

let "x" the small laddus since he can buy 3, we can say that 3x for the small ladus

then "x+0.6x" for the larger laddus. since he can buy 2, we can say that 2(x+0.6x) or 3.2x for larger laddus which is bigger than 3x from smaller laddus

sorry for wrong grammar :)

Don't worry, we Brilliantians use only one grammer - MATHEMATICS! ;)

Kou$htav Chakrabarty - 7 years, 3 months ago

hahaha.... you can base your answer by just looking at what percentage a small one to the larger one... 60% of small is already 1.6 of its size... two of it is 3.2...hahaha... its easier i think..

Marc Abad - 7 years, 3 months ago

it's ok..:)

Sittie Ainah Suma - 7 years, 3 months ago

wow nmn, talino tlaga ni william, clasm8 q yan

Kevin Mark Marasigan - 7 years, 3 months ago

let each small laddu be 100gms,for 3 laddus 300gms.now 60% for each laddu is 160*2=320.so i suggest large laddus

VE Nu - 7 years, 3 months ago

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i just go the same solution (^_~)

Ebenezer Dimaano - 7 years, 3 months ago

I did nt gt ur ans

mohith kumar - 7 years ago

lnscvsjdlv n s sld sl d ks

Neer Muzic - 7 years, 2 months ago

2 large laddus = 3.20 (2 X 1.60) in size as compare to 3 small laddus

Muhamamd Sumair - 7 years, 2 months ago

ok lang Pilipino din naman ako eh

Carl De Guzman - 7 years, 2 months ago

Language is medium via which we make people understand our thoughts & u can.

Archiet Dev - 7 years, 2 months ago

it is easy. let one small laddu cost 100 rs . totl of three laddu have 300rs . but large laddu is 60% more than small laddu . so cost of large laddu 320 rs.

Kulwant Saini - 7 years, 3 months ago

how could 3x exist man?????????

Arìyäñ Ahmëð - 7 years, 3 months ago

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3x denoting 3 small laddu... and large ladu = x+.6*x , Then buying 2 large laddu = 2x +1.2x = 3.2x > 3x ... then buying 2 large is good ... Am i coorrect ? :))))

Dileep Kunjaai - 7 years, 3 months ago
Ashish Kumar
Mar 9, 2014

Let one small laddu weight is 1kg, then weight of 3 laddus which he can buy only of 3 kg ...but when he buy two big laddus then total weight he get is of 3.2 kg instead of 3 kg because weight of one small laddu(1kg)=1.6 kg of big laddu. so total weight he get on buying two big laddus is 3.2 kg while on buying 3 small ladddus he get only 3kg .

right

Shivam Baranwal - 7 years, 3 months ago

3.2kgddu is more benefecial than 3kg- so big la

Ranjan Raj Singh - 7 years, 2 months ago
Kumar Aditya
Mar 19, 2014

let "x" the small laddus since he can buy 3, we can say that 3x for the small ladus

then "x+0.6x" for the larger laddus. since he can buy 2, we can say that 2(x+0.6x) or 3.2x for larger laddus which is bigger than 3x from smaller laddus

not understood

Înnôçènt Sâm - 7 years, 2 months ago

the large laddus are 1.6 times the small laddus. (X) i.e.: large Laddus = 1.6X so comparing if 3X > or< 2 (1.6X) 3X < 3.2X

Hence Buysing the large Laddus are profitable.

Parag Zode
Mar 13, 2014

Let 'y' be small laddus each of 100gm According to condition, 60% increase in size= 100+60%of 100=160 In this way, for 2 large laddus, we get 2 x 160=320gm of laddus which infact is larger in size and weight than the laddus of 100 x 3=300gm...

Hemant Kumar
Mar 12, 2014

it was a fluke

Saru Selvi
Mar 12, 2014

3s - 3 small laddus

2l - 2 large laddus

      Let : 1s =  100g

      1l =  100 +  100*60/100 = 160g

      2l =  320g 

      3s =  300g

2l > 3s (In weight)

Aaryan Vaishya
Nov 5, 2018

If a large laddu is 160 percent of a small laddu,2 large laddus are 320 percent of one small laddu.3 small laddus are 300 percent of one small laddu,so we can compare that 300%<320% therefore the large laddus are the better deal.

Jason Suited
Aug 20, 2014

small laddus=x

large laddus=y=60% more than small =1.6 small

y=1.6x 2y=3.2x

so 2 large laddus = 3.2 small laddus

let we predict that that 1 laddu contains 30kgs.

if we will going to buy 3 laddus, we can have atleast 90 kgs. However, if the larger laddu contains 6o% more than the small laddu, then it would be 2[SL + (SL*60/100)] since we can have 2 pieces of larger laddus. Then the result would be 96 kgs. which is higher than the three small laddus.

Jan R
Mar 25, 2014

2 large laddus will have 120% extra, which will be one more small laddu and 20% extra laddu

Talha Ahmad
Mar 24, 2014

60 percent can be expressed as .6 , so a larger laddu (yum) is 1.6x or 160 percent of the smaller laddus ( denoted x). We have two large laddus, so 2(1.6 x) = 3.2x . The three smaller laddus are expressed as 3x and since 3.2x > 3x, the best choice is the larger laddus.

Maheswara Murthy
Mar 24, 2014

let small laddus are 3x big laddus are 2X here X=x+0.6x =>X=1.6x so,big laddus=2*1.6x=3.2x so,i prefer big laddus

Sitara Sitara
Mar 24, 2014

2 large laddus > 3small laddus

Kirti Lakhera
Mar 22, 2014

1 small ladoo let 100 kg then 3 will be of 300 kg now according to the question 1 large ladoo will be of 160 kg then 2 large ladoo will be of 320 kg.

Pigeon Gymnastic
Mar 22, 2014

Let small one be 100%

3x 100% = 300%

Let large one be 100+60%

2x 160% = 320%.

Rohan Subagaran
Mar 21, 2014

3 small ladus lets say is 100% then -33% because you are making it 2(because you subtracted 1/3) then ad 2x60% because both laddus are getting bigger by 60% you will end up with 187% which is 87% more than the small laddus so buy the big ones

Ria Patel
Mar 21, 2014

Pretend that the smallest laddus are each 30% laddus. Three 30% laddus are 90% of laddu.

Since the two largest laddus are 60% bigger than the smaller laddus, we add 60% of 30 to 30. That gives us 48.

We add 48 + 48 = 96%. 96% is more than 90%. Therefore, the two larger laddus are the better deal.

M Abdullah Chohan
Mar 21, 2014

Simple, As Larger Laddus are 60% larger than Small . Hence, Buying Larger Laddus will be profitable to shakeel

Francis Solis Jr.
Mar 20, 2014

He can eat many by buying 2 large laddus than the 3 small laddus. As simple as that.

Henrique Ribeiro
Mar 20, 2014

The small laddus = 3. Each one of the 2 large laddus is 60% larger. 60% x 2 = 120%. So, the large laddus = 3,2.

Waqas Khan
Mar 17, 2014

its very simple 3 small laddus< 2 large laddus but in same rupees

Rasik Wathare
Mar 16, 2014

Let one small laddu weight is 1kg, then weight of 3 laddus which he can buy only of 3 kg ...but when he buy two big laddus then total weight he get is of 3.2 kg instead of 3 kg because weight of one small laddu(1kg)=1.6 kg of big laddu. so total weight he get on buying two big laddus is 3.2 kg while on buying 3 small ladddus he get only 3kg .

Ashish Rajvanshi
Mar 15, 2014

nothingchhfchdhgfxdgfxdcv

Mira Sharma
Mar 14, 2014

let one small laddu weight 100g then 3 small laddu weight 300g 1 large laddu weight 160g 3 large laddu weight 160*2=320g so he should buy 2 large laddus.

Meran Arshad
Mar 14, 2014

1 big laddu = (1 small + 0.6 small )laddu

so 2 big laddu makes = 2 small + 1.2 small laddu which makes 3 small and 0.2 more i hope this is the answer of the question

Lokesh Manikanta
Mar 12, 2014

let small laddu be 100gms then the big one will be more 60% that is 160gms if you buy 2 big laddus you will have 320gms if you buy 3 small laddus with same amount you will have 300gms

Yogesh Waran
Mar 12, 2014

let the small laddus be 100%and large laddus be100+60%=160%. three small laddus be 300%and two large laddus be 320% 320>300%. So he can buy large laddus.

TayYab Ali
Mar 12, 2014

60% on one means 120% on two large laddus. So on two large laddus he will get 120% extra with two smal laddus so we may say that he'll get 3 small laddus and 20% more when he buys two large laddus.

1+1+1=3 1.6+1.6=3.2

x/3 = 0.53x

buy all small ladus = x/3 + x/3 + x/3 = x

buy all big laddus = 0.53x plus 0.53x = 1.068x

1.068x > x, therefore buy all big laddus

Mahesh Lumar
Mar 11, 2014

If one small laddu consist= x gm the three laddu=3 x gm and two big laddu consist=2[x+(x 60)/100]=3.2x > 3x so to buy two big laddu is better option.

Akshay Jamwal
Mar 11, 2014

Let the small laddus be 100 units of volume (take your pick: litres, cc, whatever). Hence, 3 small laddus would amount to 300 units.

A 60% increase would mean that each larger laddu is now 160 units of volume. 2 large laddus: 160+160 = 320 units.

You get 20 more units of volume with the larger laddus

Obviously, we desire big one. Two large laddus is greater than three small laddus.

Ahsan Iqbal
Mar 11, 2014

LET SMALL LADDU IS 100 GRAM THAN BIG ONE IS 160 GRAM, SO 3 SMALL IS 3 100= 300 GRAM, BIG 2 ARE 2 160= 320 GRAM SO BIG TWO ARE CORRECT......

3 small laddus are smaller than 2 large laddus which are equal to 2*1.6s = 3.2s i.e. 3.2 small laddus.So 2 large laddus are preferred.

Hammad Akbar
Mar 10, 2014

if one laddu is 100 times large in size then three laddus should be 300 times large in size.and one big laddu should be 60 times greater than small laddu.....so 2 laddus are 320 times large in size but small laddus are 300 times are large in size.so he should buy 2 large laddus

Rashi Agarwal
Mar 10, 2014

let the volume of one small laddu as 'x'... then the volume of large laddu becomes 1.6x... so two large laddus has a volume of 3.2 x whereas 3 small laddus has 3x...

Md. Zabed Hossain
Mar 10, 2014

let, each small laddu is 1 gm 60% of 3 small laddu is 1.8 gm he can get .8gm laddu more than small laddu

Dariel Teves
Mar 9, 2014

x=.60y then, 3y=1.8x,therefore 2x>3y

Can you clarify what is x x and what is y y ? And why do we have x = 0.6 y x = 0.6 y ? And how does that lead to 3 y = 1.8 x 3y = 1.8x ?

Calvin Lin Staff - 7 years, 3 months ago
Mohamed Helal
Mar 9, 2014

let y be the small laddu, so with the same amount of money he can buy either 3y or 2 (1.6y) which is 3.2 y, so to get the large laddus he will have 20% more than buying the small ones.

Arsha Sree
Mar 1, 2014

total amount of money is x.

we can buy 3 small laddoos with x. also, we can buy 2 larger laddoos which is 60% bigger than the small ones.

here, size of 1 larger laddoo is:

3*60/100=1.8, means, it is greater than 3 ladoos(1.8+1.8=3.6).

Hence, buying two larger ladoos is profitable.

(y)

Datz Romeo - 7 years, 3 months ago

quite and easy problem.

PRASANJIT KUMAR JHA - 7 years, 3 months ago

Why is the size of the larger laddoo equal to 1.8?

Calvin Lin Staff - 7 years, 3 months ago

you wrong girl, by buying larger laddu we could have 0.2 more laddu than buying small laddu

Azhar Najmuddin - 7 years, 3 months ago

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