Question Detail

LCM of two numbers is 7700 and HCF is 11. If one number is 308 then other number is

Answer: Option D

1. What will be the LCM of 8, 24, 36 and 54

Answer: Option C

Explanation:

LCM of 8-24-36-54 will be
2*2*2*3*3*3 = 216

2. If LCM of two number is 693, HCF of two numbers is 11 and one number is 99, then find other

Answer: Option B

Explanation:

For any this type of question, remember
Product of two numbers = Product of their HCF and LCM

So Other number = $\begin{aligned} \frac{693 \times 11}{99} \end{aligned}$ = 77

3. Find the LCM of $\begin{aligned} \frac{2}{3}, \frac{4}{6}, \frac{8}{27} \end{aligned}$

$\begin{aligned} \frac{2}{27} \end{aligned}$
$\begin{aligned} \frac{8}{3} \end{aligned}$
$\begin{aligned} \frac{2}{3} \end{aligned}$
$\begin{aligned} \frac{8}{27} \end{aligned}$

Answer: Option B

Explanation:

Whenever we have to solve this sort of question, remember the formula.
LCM = \\begin{aligned} \\frac{HCF of Denominators}{LCM of Numerators} \\end{aligned}
So answers will be option 2,
Please also give attention to the difference in formula of HCF and LCM

4. HCF of
$\begin{aligned} 2^2 \times 3^2 \times 5^2, 2^4 \times 3^4 \times 5^3 \times 11 \end{aligned}$ is

$\begin{aligned} 2^4 \times 3^4 \times 5^3 \end{aligned}$
$\begin{aligned} 2^4 \times 3^4 \times 5^3 \times 11 \end{aligned}$
$\begin{aligned} 2^2 \times 3^2 \times 5^2 \end{aligned}$
$\begin{aligned} 2 \times 3 \times 5 \end{aligned}$

Answer: Option C

Explanation:

As in HCF we will choose the minimum common factors among the given.. So answer will be third option

5. Find the greatest number that will divide 400, 435 and 541 leaving 9, 10 and 14 as remainders respectively

Answer: Option B

Explanation:

Answer will be HCF of (400-9, 435-10, 541-14)

HCF of (391, 425, 527) = 17

Question Detail

LCM of two numbers is 7700 and HCF is 11. If one number is 308 then other number is

1. What will be the LCM of 8, 24, 36 and 54

2. If LCM of two number is 693, HCF of two numbers is 11 and one number is 99, then find other

3. Find the LCM of $\begin{aligned} \frac{2}{3}, \frac{4}{6}, \frac{8}{27} \end{aligned}$

4. HCF of
$\begin{aligned} 2^2 \times 3^2 \times 5^2, 2^4 \times 3^4 \times 5^3 \times 11 \end{aligned}$ is

5. Find the greatest number that will divide 400, 435 and 541 leaving 9, 10 and 14 as remainders respectively

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Question Detail

LCM of two numbers is 7700 and HCF is 11. If one number is 308 then other number is

1. What will be the LCM of 8, 24, 36 and 54

2. If LCM of two number is 693, HCF of two numbers is 11 and one number is 99, then find other

3. Find the LCM of 23,46,827\begin{aligned} \frac{2}{3}, \frac{4}{6}, \frac{8}{27} \end{aligned}

4. HCF of 22×32×52,24×34×53×11\begin{aligned} 2^2 \times 3^2 \times 5^2, 2^4 \times 3^4 \times 5^3 \times 11 \end{aligned} is

5. Find the greatest number that will divide 400, 435 and 541 leaving 9, 10 and 14 as remainders respectively

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3. Find the LCM of $\begin{aligned} \frac{2}{3}, \frac{4}{6}, \frac{8}{27} \end{aligned}$

4. HCF of
$\begin{aligned} 2^2 \times 3^2 \times 5^2, 2^4 \times 3^4 \times 5^3 \times 11 \end{aligned}$ is