Recent questions tagged lcm-hcf / GATE Overflow for GATE CSE

1 votes

1 answer

1

GO Classes 2023 | IIITH Mock Test 1 | Question: 76
Four numbers are in the ratio $2: 3: 5: 7$ and their HCF is $6$. What is the sum of the squares of the largest and the smallest numbers? $486$ $324$ $54$ $1908$

Four numbers are in the ratio $2: 3: 5: 7$ and their HCF is $6$. What is the sum of the squares of the largest and the smallest numbers?$486$$324$$54$$1908$

GO Classes

666 views

GO Classes asked Mar 26, 2023

2 votes

1 answer

2

GATE Electrical 2022 | GA Question: 3
Three bells $P$, $Q$ and $R$ are rung periodically in a school. $P$ is rung every $20$ minutes; $Q$ is rung every $30$ minutes and $R$ is rung every $50$ minutes. If all the three bells are rung at $12 : 00$ $\text{PM}$, when will the three bells ring together again ... time? $5 : 00$ $\text{PM}$ $5 : 30$ $\text{PM}$ $6 : 00$ $\text{PM}$ $6 : 30$ $\text{PM}$

Three bells $P$, $Q$ and $R$ are rung periodically in a school. $P$ is rung every $20$ minutes; $Q$ is rung every $30$ minutes and $R$ is rung every $50$ minutes.If all t...

Arjun

773 views

Arjun asked Feb 15, 2022

6 votes

5 answers

3

ISRO2020-55
If $x+2y=30$, then $\left(\dfrac{2y}{5}+\dfrac{x}{3} \right) + \left (\dfrac{x}{5}+\dfrac{2y}{3} \right)$ will be equal to $8$ $16$ $18$ $20$

If $x+2y=30$, then $\left(\dfrac{2y}{5}+\dfrac{x}{3} \right) + \left (\dfrac{x}{5}+\dfrac{2y}{3} \right)$ will be equal to$8$$16$$18$$20$

Satbir

3.0k views

Satbir asked Jan 13, 2020

1 votes

1 answer

4

Virtual Gate Test Series: Numerical Ability - LCM & HCF
A natural number n is such that $120≤ n ≤ 240.$ If HCF of $n$ and $240$ is $1,$ how many values of $n$ are possible? $A)24$ $B)32$ $C)36$ $D)40$

A natural number n is such that $120≤ n ≤ 240.$ If HCF of $n$ and $240$ is $1,$ how many values of $n$ are possible?$A)24$ $B)32$ ...

Purple

1.9k views

Purple asked Jan 30, 2016

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