Question Detail

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is

16cm
25cm
15cm
35cm

Answer: Option D

Explanation:

So by now, you must be knowing this is a question of HCF, right.
H.C.F. of (700 cm, 385 cm, 1295 cm) = 35 cm.

1. If the product of two numbers is 84942 and their H.C.F. is 33, find their L.C.M.

2574
2500
1365
1574

Answer: Option A

Explanation:

HCF * LCM = 84942, because we know

Product of two numbers = Product of HCF and LCM

LCM = 84942/33 = 2574

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

Answer: Option D

3. The H.C.F. and L.C.M. of two numbers are 12 and 5040 respectively If one of the numbers is 144, find the other number

Answer: Option D

Explanation:

Solve this question by using below formula.
Product of 2 numbers = product of their HCF and LCM

144 * x = 12 * 5040

x = (12*5040)/144 = 420

4. Find the largest number which divides 62,132,237 to leave the same reminder

Answer: Option C

Explanation:

Trick is HCF of (237-132), (132-62), (237-62)
= HCF of (70,105,175) = 35

5. Reduce $\begin{aligned} \frac{368}{575} \end{aligned}$ to the lowest terms.

$\begin{aligned} \frac{30}{25} \end{aligned}$
$\begin{aligned} \frac{28}{29} \end{aligned}$
$\begin{aligned} \frac{28}{29} \end{aligned}$
$\begin{aligned} \frac{16}{25} \end{aligned}$

Answer: Option D

Explanation:

We can do it easily by in two steps
Step1: We get the HCF of 368 and 575 which is 23
Step2: Divide both by 23, we will get the answer 16/25

Question Detail

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is

1. If the product of two numbers is 84942 and their H.C.F. is 33, find their L.C.M.

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

3. The H.C.F. and L.C.M. of two numbers are 12 and 5040 respectively If one of the numbers is 144, find the other number

4. Find the largest number which divides 62,132,237 to leave the same reminder

5. Reduce $\begin{aligned} \frac{368}{575} \end{aligned}$ to the lowest terms.

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Question Detail

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is

1. If the product of two numbers is 84942 and their H.C.F. is 33, find their L.C.M.

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

3. The H.C.F. and L.C.M. of two numbers are 12 and 5040 respectively If one of the numbers is 144, find the other number

4. Find the largest number which divides 62,132,237 to leave the same reminder

5. Reduce 368575\begin{aligned} \frac{368}{575} \end{aligned} to the lowest terms.

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5. Reduce $\begin{aligned} \frac{368}{575} \end{aligned}$ to the lowest terms.