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# Quantitative questions a day 51 to 100 - The discussions

I'm starting a new thread as the discussions will happen on this new thread for next 50 questions and the sectional test :-) Happy solving :smiley:
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Four Geometrical means are inserted between 1/8 and 128.find the 3rd Geometrical mean.

I kno its a simple question but just cant find the answer!

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Quantitative Question # 065
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If all palindromes (positive integers which is unchanged if you reverse the order of its digits) are written in increasing order, what is the possible number of prime values can the difference between successive palindromes take?

(1) 0 (2) 1 (3) 2 (4) 3 (5) none of these

The palindromes in increasing order are

1
2
3
...
9
11
22
33
...
99
101
111
121
131
...
191
202
212
222
...

We see that the prime difference can be either 2 or 11 - hence the answer is (3)
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hei...I can't understand the concept of no: of steps taken in an escalator..plz help me wid dis,
(speed of a person/speed of escalator) = (no: of steps on moving escalator / no: of steps of the person when escalator is off)

cld any one plz explain the concept..?

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..i too got 20/3..
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Question 101:
At his normal speed, Shirish can travel 18 km downstream in a fast flowing stream in 9 hours less than what he takes to travel the same distance upstream. The downstream trip would take 1 hour less than what the upstream trip would take provided he doubles his rate of rowing. What is the speed of the stream in km/hr?

(a) 20/3 (b) 8 (c) 33/4 (d) none of the foregoing

I am getting speed of stream as either zero(0) or negative(-20/3).
9=18/(x+v)-18/(x-v)
and
1=18/(2x+v)-18/(2x-v)

where x and v are speeds of Sirish and stream, respectively.
on calculating first one the relation is: x^2=v^2-4v

and then putting in second and solving.
Am i wrong somewhere??

yup... its comin out to be...20/3
:
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HI all

I am new to PG can some body mail me the qns from 50 to 100. Or id any link is available for archives can some one post it. Thanks in advance.

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Hi I joined in late ,so if somebody can post/mail me all the questions from 1-100 of AQQAD with its respective solution,I will be highly gr8ful
Regards,
Akrant
akrant@gmail.com

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oye me not getting ANY quant question. are the questionssupposed to be mailed everyday (as the name of the thread suggests) to the people who have enrolled for the same? if true, there's some problem somewhere to be solved. i registered a loooong time back.

ne suggestions.....fellow PGites?

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hi guys i m new to this site i joined this forum and i recieve questions by mail but the main cause of worry for me is that i m not able to crack this questions can u tell me is this the level of questions appearing in cat

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bhai apna bhi 20/3 ans hai
i too joined the majority!!!!!!!!!!!!!
anybody having sectional test 01 questions and ans ???????????????
Pls mail me at ................
:wow: Mein aapka bahut abhari rahunga
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