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Recent questions tagged lcm-hcf

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NIELIT 2019 Feb Scientist D - Section C: 1
The $L.C.M$ of $\left (x^{3}-x^{2}-2x \right)$ and $\left (x^{3}+x^{2} \right)$ is : $\left (x^{3}-x^{2}-2x \right)$ $\left (x^{2}+x \right)$ $\left (x^{4}-x^{3}-2x^{2} \right)$ $x-2$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 3, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist C - Section C: 12
About the number of pairs which have $16$ as their H.C.F. and $136$ as their L.C.M., we can definitely say that: Only one such pair exists Only two such pairs exist Many such pairs exist No such pair exists

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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NIELIT 2019 Feb Scientist C - Section C: 28
The H.C.F. of $(4x^{3}+3x^{2}y-9xy^{2}+2y^{3})$ and $(x^{2}+xy-2y^{2})$ is : $(x-2y)$ $(x-y)$ $(x+2y)(x-y)$ $(x-2y)(x-y)$

Lakshman Patel RJIT asked in Quantitative Aptitude Apr 1, 2020

by Lakshman Patel RJIT

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NIELIT 2016 DEC Scientist B - Section A: 43
The $LCM$ of two numbers is $45$ times their $HCF$. If the sum of the $LCM$ and the $HCF$ of these two numbers is $1150$ and one of the numbers is $125$, then the other number is : $256$ $225$ $250$ $255$

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 31, 2020

by Lakshman Patel RJIT

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NIELIT 2017 July Scientist B - Section A: 15
Let $N$ be the greatest number that will divide $1305, 4665$ and $6905$, leaving the same remainder in each case. Then sum of the digits in $N$ is $4$ $5$ $6$ $8$

Lakshman Patel RJIT asked in Quantitative Aptitude Mar 30, 2020

by Lakshman Patel RJIT

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CAT 2013 | Question: 22
Outside a sweet shop, its name "Madhu Sweet House" is displayed using blinking lights. Each word flashes at a regular interval and remains lit for $1$ second. After remaining lit for $1$ ... together and the next time the last two words flash together $45$ seconds $22.5$ seconds $112$ seconds $6.75$ seconds

admin asked in Quantitative Aptitude Mar 6, 2020

by admin

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How to Prepare for Quantitatve Aptitude, Chapter: Number System, Topic: HCF & LCM

Sahil Sawant asked in Quantitative Aptitude May 13, 2018

by Sahil Sawant

28 points

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areas and squares
Find the minimum number of square tiles required to pave the floor of a room of 3m 25cm long and 2m 50cm broad? 144 130 156 168

Parshu gate asked in Quantitative Aptitude Nov 27, 2017

54 points

735 views

2 votes

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LCM and HCF
What is the LCM of $147/64$ and $30/44?$

Abhishek 2 asked in Quantitative Aptitude Sep 7, 2017

32 points

18.5k views

1 vote

1 answer

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CAT 1995 | Question: 61
Three bells chime at an interval of 18, 24 and 32 minutes respectively. At a certain time they begin to chime together. What length of time will elapse before they chime together again? 2 hours 24 minutes 4 hours 48 minutes 1 hour 36 minutes 5 hours

makhdoom ghaya asked in Quantitative Aptitude Aug 29, 2017

by makhdoom ghaya

7.9k points

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1 vote

1 answer

11

What is the LCM of 147/64 and 30/44?
i tried to solve this question but ans did.come .so how can be sove this question

prem8954 asked in Quantitative Aptitude Apr 30, 2017

26 points

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CAT 2001 | Question: 5
A red light flashes $3$ times per minute and a green light flashes $5$ times in two minutes at regular intervals. If both lights start flashing at the same time, how many times do they flash together in each hour? $30$ $24$ $20$ $60$

go_editor asked in Quantitative Aptitude Mar 31, 2016

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CAT 2002 | Question: 98
In a book store, each of the word of the glowsign board “MODERN BOOK STORES” is visible after $5/2, 17/4$ and $41/8$ seconds respectively. Each of them is put off for $1$ second. Find the time after which one person can see a completely visible glowsign board. $73.5$ seconds $79.4$ seconds $68.2$ seconds None of these

go_editor asked in Quantitative Aptitude Mar 2, 2016

13.4k points

606 views

1 vote

1 answer

14

HCF and LCM
Calculate number of pairs Whose LCM is 800 and HCF is 20

pC asked in Quantitative Aptitude Jan 9, 2016

by pC

442 points

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