CAT Quantitative Aptitude | Quant Questions 2017- PaGaLGuY

  Q.5
There are N boxes, each containing at the most, k balls. If the number of boxes containing at least j balls is Nj for j = 1, 2, 3, ... k, then the total number of balls contained in these N boxes is

a   exactly equal to N1 + N2 + N3 + ... + Nk

b  strictly larger than N1 + N2 + N3 + ... + Nk

c  strictly smaller than N1 + N2 + N3 + ... + Nk

d  Cannot be determined 

This is a LR question. can anyone help me out ?

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Plzz solve

In triangle ABC, the median on to the side opposite the right angle at B is 10 cm. What is the value of AB^2 + BC^2?

Approach?

What would be the units digit of the expression - 37^34^53?


Watch the video for solution and approach :

https://www.youtube.com/watch?v=MumjOwAmOW0

Please explain this

31 and 33

http://imgur.com/a/RZmbP

Approach please

Soln.

Soln.

Pankaj bought a bag with 20% discount on the original price. He got a profit of Rs. 50 by selling at 150% of the price at which he bought. What was the original price of the bag? Detailed solution please.

One of the roots is 2+root3 of a qudratic so is it necessary that other root will be 2-root3?

 Hello friends you can refer the below video for multiplying any number with series of 9

.https://youtu.be/oyl_MuKx_nQ 

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Where can i find Cat papers 2009-2016?

Q3 solution pls

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question 103 solution?

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