# @krazykunal1410

##### Kunal Gandhi 124 karma I to Myself: "On my command..UNLEASH HELL."
Failing to prepare is preparing to fail. ..... @lsuarez
Find the number of ways 14 identical and indistinguishable balls can be divided into 3 groups? 1\. 16 2\. 17 3\. 18 4\. 19 Approach Please. TIA
Kunal Gandhi @krazykunal1410

unordered kese nikala bhai..@s.goel4991

Let's Crackit @coolrahul1
*A fruit dealer fixes selling price of watermelon juice in such a way that he ends up earning a profit of 30% after paying tax, which is 13% of the cost price. A shopkeeper buys watermelon juice from the dealer and marks up the price by 15% and then adds 25% water to the juice. He then gives a di...
Kunal Gandhi @krazykunal1410

let dealer price = a And sp=b which =profit + tax..1.3a +0.13a=1.43a

now this will be the cp for shopkeeper..for him MP =1.43a*1.15 and discount of 4% which implies SP= 1.43a*1.15*0.96=98.67..

hope this helps..

@SheerForce
http://s20.postimg.org/laa5iewj1/image.jpg Approach?
Kunal Gandhi @krazykunal1410

to cover 20km ..he took 12 mins. at his normal speed..therefore speed can be calculated 20*60/12 =100kmph

Let's Crackit @coolrahul1
*A fruit dealer fixes selling price of watermelon juice in such a way that he ends up earning a profit of 30% after paying tax, which is 13% of the cost price. A shopkeeper buys watermelon juice from the dealer and marks up the price by 15% and then adds 25% water to the juice. He then gives a di...
Kunal Gandhi @krazykunal1410

1.43a * 1.15 * 0.96 = 98.67

a comes out to be 62.5 ..for the dealer

Formidable Intellect @Going_High
How many three-digit numbers have at least one digit as 2 and at least one digit as 3?
Kunal Gandhi @krazykunal1410

23_ (8), 32_ (8) , 2_3(8) , 3_2(8), _23(7) , _32(7) ,222,333,223(3 case) and 332(3 case)  8+8+8+8+7+7+2+6=54 cases..

Maulik Balar @balarmaulik
﻿There are N questions in an exam. For i=1,2,3....,N, there are 2^(N-i) students who answered i or more questions wrongly. The total number of wrong answers is 8191. Find N. *{Approach please}*
Kunal Gandhi @krazykunal1410

@BlackReaper9 wrong question kese calculate kiye..maine to hit nd trial kiya tha

Disappointed CAT result @Nipun008
how many traingles can be formed if all sides have length in natural numbers and perimeter is 24?? guys I need a shortcut for these type of questions..
Dexter Morgan @kartikay.sood
2x + 9yx,y are non-negative integers Number of solutions? 256 257 125 128
Kunal Gandhi @krazykunal1410

@sagarcat Bhai n+s-1Cs-1 wala formula nai lagega..?

Dexter Morgan @kartikay.sood
2x + 9yx,y are non-negative integers Number of solutions? 256 257 125 128
Kunal Gandhi @krazykunal1410

yaar yaha pe formulae kaunsa lag raha hain..?

Disappointed CAT result @Nipun008
how many traingles can be formed if all sides have length in natural numbers and perimeter is 24?? guys I need a shortcut for these type of questions..
Kunal Gandhi @krazykunal1410

@scrabbler sir, how did u calculate highest side.and lowest possible side.?