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.

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

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.

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

• 733 in³

• 522 in³

• 600 in³

• 679 in³