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Cracking Nishit Sinha Problems on Quant LA and DI , A step more to bell the Cat.

binayak_89
binayak mahapatra @binayak_89 8
Posted 04 May
A retailer keeps Reebok shoes, which are listed at a mark up of 10% above their factory price. However on Monday he realized the shortage of demand and hence decreased the list price by 10%. On the very next day, that is, Tuesday he realized that he is making a loss so he increased yhe list price...
A retailer keeps Reebok shoes, which are listed at a mark up of 10% above their factory price. However on Monday he realized the shortage of demand and hence decreased the list price by 10%. On the very next day, that is, Tuesday he realized that he is making a loss so he increased yhe list price by 10% again. He continues this trend indefinitely. On which day will he suffer a loss of more than 10% per shoe for the first time?
9 people answered this question.
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vanya1
vanya @vanya1 1
Posted 04 May
Three hundred workers are set to build a dam.In 21 weeks they have done 60% of work, but subsequent rains lasting 4 weeks washed away 25% of what they had done. The job is resumed by 200 workers. What is the additional time it will take to complete the work? plz add detailed solution.
Three hundred workers are set to build a dam.In 21 weeks they have done 60% of work, but subsequent rains lasting 4 weeks washed away 25% of what they had done. The job is resumed by 200 workers. What is the additional time it will take to complete the work?
plz add detailed solution.
15 people answered this question.
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dramaqueen15
Shobha Bhaskaran @dramaqueen15
Posted 22 Mar
Percentages-Foundation sum 6.
Percentages-Foundation sum 6.
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sai.santosh
Santosh Akella @sai.santosh 143
Posted 19 Feb
TSD NISHIT SINHA FOUNDATION - 14
TSD NISHIT SINHA FOUNDATION - 14
  • 6 Comments
  • yes hw ??. 19 Feb.
  • a?. 19 Feb.
Attachments
sai.santosh
Santosh Akella @sai.santosh 143
Posted 18 Feb
TSD NISHIT SINHA FOUNDATION - 12 ship vikrant starts from point P towards a point Q at noon and at 1:00 pm ship viraat strts from Q towards P. If vikranth is expected to complete vyage in 6 hrs and viraat is movng at 2/3rd the speed of vikranth. than at what time do these meet /?? 4pm...

TSD NISHIT SINHA FOUNDATION - 12


ship vikrant starts from point P towards a point Q at noon and at 1:00 pm ship viraat strts from Q towards P. If vikranth is expected to complete vyage in 6 hrs and viraat is movng at 2/3rd the speed of vikranth. than at what time do these meet /??

4pm
4.30 pm
3 pm
2.30 pm ?
  • 6 Comments
  • yes. how ? i m getting 2 pm .... 18 Feb.
  • 4 ?. 18 Feb.
  6 Comments
shashi_bit07
shashi shankar @shashi_bit07
Posted 15 Sep '13
> @ashishyog > > The sum of the lengths of the hypotenuse and one of the perpendicular sides of a right angled triangle is L. When the area of this triangle is maximum, the angle between the two sides is > > > > Please provide the approach as well > > > > 1) 45 degrees > > ...

@ashishyog

The sum of the lengths of the hypotenuse and one of the perpendicular sides of a right angled triangle is L. When the area of this triangle is maximum, the angle between the two sides is



Please provide the approach as well



1) 45 degrees



2) 22.5 degrees



3) 60 degrees



4) None of these Skip



let the three sides of the triangle be P,B and H.

p^2+B^2=H^2........eq1

A/Q P+H=L

so, H=L-P

substitute H in eq1

p=(L^2-B^2)/2L

area= 1/2*B*P

for Area to be max derivative will be 0.

which gives L^2=3*(B^2)

so, B = L/sqrt(3)

p=L/3

sin X=1/2

X=30 deg

hence ANS 4 None of these

ashishyog
Ashish Yog @ashishyog 13
Posted 05 Sep '13
The sum of the lengths of the hypotenuse and one of the perpendicular sides of a right angled triangle is L. When the area of this triangle is maximum, the angle between the two sides is Please provide the approach as well

The sum of the lengths of the hypotenuse and one of the perpendicular sides of a right angled triangle is L. When the area of this triangle is maximum, the angle between the two sides is



Please provide the approach as well

35 people answered this question.
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ashishyog
Ashish Yog @ashishyog 13
Posted 02 Sep '13
Two Rabbits A and B are running a race in which they have to go upto 50 m mark and then come back to starting point. A runs in a sequence of 3 steps in which distance traveled in first jump is twice that of other two and B runs in a sequence of 3 jumps where first jump is 1.5 time the distance tr...
Two Rabbits A and B are running a race in which they have to go upto 50 m mark and then come back to starting point. A runs in a sequence of 3 steps in which distance traveled in first jump is twice that of other two and B runs in a sequence of 3 jumps where first jump is 1.5 time the distance travelled in second jump and distance traveled in 2nd jump is twice the distance traveled in 3rd jump. Distance traveled by A in 2 jumps and by B in 3 jumps is equal to 6m. Who will win the race.

Please explain the approach!rolleyes
  • 5 Comments
  • @Oteri No options are there, i just have a list of few qu.... 02 Sep '13.
  • Is it B?. 02 Sep '13.
ashishyog
Ashish Yog @ashishyog 13
Posted 29 Aug '13
What is the remainder when (1^1+2^2+3^3+4^4+.....+100^100) is divided by 4? Please share the approach... a) 0 b) 1 c) 2 d) 3 :angry: :angry: :angry:
What is the remainder when (1^1+2^2+3^3+4^4+.....+100^100) is divided by 4? Please share the approach...
a) 0
b) 1
c) 2
d) 3

  • 6 Comments
  • @kingleon Please explain the approch dude....!!. 02 Sep '13.
  • 0. 31 Aug '13.
  6 Comments
kingleon
swapnil more @kingleon 139
all even nos and powers will be divisible by 4....like 2^2 4^4 and so on....bache all odd nos and theirs powers like 1^1 3^3 5^5 will give remainders in form of +1 -1 +1 -1 and so on....since we have even no of nos all get cancelled leaving us with remainder 0
D.Som
D Som @D.Som 71
Just break it down in 4 consecutive terms in a block. So the nth block is (4n+1)^(4n+1)+(4n+2)^(4n+2)+(4n+3)^(4n+3)+(4n+4)^(4n+4). So the the sequence given is the sum of 25 blocks from n=0 to n=24. Now (4n+1)^(4n+1)= sum all multiples of 4 +1^(4n+1) {By binomial theorem}. The remainder when divided by 4 is 1. The second term (4n+2)^(4n+2) is clearly divisible by 4 {take 2 common out from and the term becomes a multiple of 4} and hence remainder is 0. The same happens for the last term (4n+4)^(4n+4). The third term we can write as (4n+4-1)^(4n+3)=(4m-1)^(4n+3) [m=n+1]. Now again (4m-1)^(4n+3)= sum of multiples of 4 +(-1)^(4n+3). When divided by 4 the remainder is (-1)^(4n+3)=(-1)^3=-1. So the sum of the remainder from four terms is 1+0+(-1)+0=0 and when summed fro all 25 blocks the final remainder is also 0.
sjain3889
sakshi jain @sjain3889
Posted 28 Aug '13
> @Oteri > > the average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours, covering a distance of 800km.speed of the train in onward j...

@Oteri

the average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours, covering a distance of 800km.speed of the train in onward journey is:



A 45kmph



B 47.5kmph



C 52kmph



D 56.25kmph



45kmph

ashishyog
Ashish Yog @ashishyog 13
Posted 27 Aug '13
Hi, Could anyone share some insight on the approach to solve this problem Q> Which of the following is smallest? a) 5^(1/2) b)6^(1/3) c)8^(1/4) d)12^(1/5) :embarrased:
Hi,
Could anyone share some insight on the approach to solve this problem
Q> Which of the following is smallest?
a) 5^(1/2) b)6^(1/3) c)8^(1/4) d)12^(1/5)

embarrased
  • 12^1/5. 04 Mar.
  • LCM(2,3,4,5)= 60 5^(1/2)= (5^30)^(1/60) 6^(1/3)= (.... 28 Aug '13.
RoshniK
Roshni Koli @RoshniK 4

LCM(2,3,4,5)= 60

5^(1/2)= (5^30)^(1/60)
6^(1/3)= (6^20)^(1/60)
8^(1/4)= (8^15)^(1/60)
12^(1/5)=(12^12)^(1/60)

Now since the power over all the numbers is (1/60), the ans will be smallest of all the numbers, i.e (12^12) in this case.


saginav
Navneet Khurana @saginav 1
Posted 13 Aug '13
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This is an exclusive webinar which will be covering important Quant prep areas like:

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Oteri
Ramita Verma @Oteri 283
Posted 06 Aug '13
the average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours, covering a distance of 800km.speed of the train in onward journey is: A ...

the average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours, covering a distance of 800km.speed of the train in onward journey is:

A 45kmph

B 47.5kmph

C 52kmph

D 56.25kmph

  • D 56.25kmph. 28 Aug '13.
Dr.Quant
saurabh dwivedi @Dr.Quant 78
Posted 31 Jul '13
i am getting stuck with this particular type of question : ( 1!^1! + 2!^2! + 3!^3! ....... 1000!^1000! )/ (2^3 x 5). what will be the remainder ?? this is question no. 34 of number systems (page 1.13)  :rolleyes: 
i am getting stuck with this particular type of question : ( 1!^1! + 2!^2! + 3!^3! ....... 1000!^1000! )/ (2^3 x 5). what will be the remainder ?? this is question no. 34 of number systems (page 1.13)




rolleyes


  • 13 Comments
  • 17?. 02 Aug '13.
  • 5???. 02 Aug '13.
  13 Comments
himang
himang jain @himang 9
Posted 24 Jul '13
*7\. **Remainder when 22^**33+10^**35 divided by 45? **a. **2* *b. **8* *c. **11* *d. **None*

7. Remainder when 22^33+10^35 divided by 45? a. 2

b. 8

c. 11

d. None

  • 15 Comments
  • 32. 28 Aug '13.
  • me gettin 32. 04 Aug '13.

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