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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} \ri...
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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 existsOnly two such pairs existMany suc...
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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)$$(x-2y)(x-y)$
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NIELIT 2016 DEC Scientist B - Section A: 43
The $LCM$ of two numbers is $45$ times their $HCF$. If the sum of the $LCM$ and the $HCF$ of these two numbers is $1150$ and one of the numbers is $125$, then the other n...
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NIELIT 2017 July Scientist B - Section A: 15
Let $N$ be the greatest number that will divide $1305, 4665$ and $6905$, leaving the same remainder in each case. Then sum of the digits in $N$ is$4$$5$$6$$8$
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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 remai...
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How to Prepare for Quantitatve Aptitude, Chapter: Number System, Topic: HCF & LCM
Which of the following represents the largest 4 digit number which can be added to 7249 in order to make the derived number divisible by each of 12, 14, 21, 33, and 54.(a...
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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
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LCM and HCF
What is the LCM of $147/64$ and $30/44?$
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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 ...
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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
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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...
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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 $1$...
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HCF and LCM
Calculate number of pairs Whose LCM is 800 and HCF is 20
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