Test - Real Number, Area & Volume - (Samaira) - Roshan

Last digit of 6 power n is‐----

• 6

• 0

• 5

• 7

If the HCF of 60 and 110 is expressible in the form 60m-110, then the value of m is

• 4

• 2

• 1

• 3

The LCM of two numbers is 48. The numbers are in the ration 2:3. Find the sum of the numbers ?

(a)  

• 41

• 32

• 50

• 40

If a and b are two positive integers such that a = 14b. Find the HCF of a and b.

• a

• b

• 14b

• 14a

Can two numbers have 18 as their HCF and 380 as their LCM? Give reasons.

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Find the least number which when divided by 12, 16 and 24 leaves remainder 7 in each case.

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Two positive numbers have their HCF as 12 and their product as 6336. The number of pairs possible for the numbers, is

• 1

• 2

• 3

• 4

The LCM of two numbers is 9 times their HCF. The sum of LCM and HCF is 500. Find the HCF of the two numbers.

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What is the volume of the object? Answers will be rounded to the nearest whole number.

• 733 in³

• 522 in³

• 600 in³

• 679 in³

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