Test Series-06

## Instructions

• Your test contains 10 multiple choice questions with only one answer
• This is 30 min test.Please make sure you complete it in stipulated time
• You can Finish this test any time using 'Submit' button.
• Once finished you get a chance to review all question with correct answers and their solutions.

1.Which of the following is terminating decimal expression?
• 11/17
• 15/1600
• 29/343
• 11/9

2) Which of the following is not a irrational number
• √80
• (√3-√7)(√3+√7)
• √110
• (√3 -√5)(√5-√3)

3. LCM(a,b)=48 and HCF( a,b) =4 then a and b can be ?
• 12 and 16
• 24 and 8
• 32 and 6
• None of these

4. If x and y are prime number then?
• HCF (x,y) =y/x
• LCM( x,y)= x/y
• HCF(x,y) =1
• None of these

5. Which one of these is false?
• √110 is a real number
• There are few rational number between √3 and 2
• Irrational number are non terminating and non repeating
• There are infinite irrational number between two rational number

6. if a =23X 5X 32 and b =22X 7X 33
• LCM(a,b) =2520
• HCF(a,b)=1260
• LCM(a,b) =1260
• a/b=5/7

7. Which of these are true
• Sum of rational number and irrational number is always a irrational number
• Sum of two irrational number is always a irrational number
• Product of two irrational number is always a irrational number
• Substraction of two irrational number is always a irrational number

8. Let a and b are two number and a > b. Then which of the following is true?
• a=bq+r where 0 < r < b
• a=bq+r where 0 < q < b
• a=bq+r where 0 < b < r
• a=bq+r where a < r < b

9. Which of these is False
• 6n can end in zero for any n where n belongs to natural number
• Every positive even number is of the form 2n and every odd number is of the form 2n+1 where n belongs to integer
• Square of any positive integer can be written in form 3n or 3n+1 where n belongs to integer
• None of these
10.two statement Statement A: Every composite number can be represent as product of primes Statement B: There is only 1 even prime number
• A is correct only
• B is correct only
• A and B both are correct
• A and B both are incorrect

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