Real Numbers
Slip Test-1
Answer ALL questions. Total marks 20.
1. Find the Value of log2512 ?
2. Find the HCF of 28 and 49 by using Euclid's division algorithm?
3. If x2+y2= 16xy then find the value of 2log(x+y)?
4. Find the decimal of 42⁄150 without performing actual division?
5. Prove that 2 √ 3 + √ 5 is an irrational number.
6. LCM of 25 and 40 is....................... ( )
a) 1000
b) 100
c) 200
d) 400
7. 756= a1 x b2 x c3 then the value of (a + b - c) =.................. ( )
a) 6
b) 7
c) 3
d) 10
To download Sliptest-1 in PDF click here
Slip Test-2
Answer ALL questions. Total marks 20.
1. Find the LCM of 50 and 60 by Prime factorisation method.
2. Find the Value of log34349 .
3. Prove that 2 + 3 √ 5 is an irrational number .
4. Expand : log 63⁄100 .
5. Use Euclid's division algorithm to show that "square of a positive integer is of the form 4m or 4m+1". ( m is an integer)
6. HCF of any two prime numbers is...................... ( )
a) 0
b) 1
c) Prime number
d) Even number
7. The value of "2log3-log9" is........................... ( )
a) log 3
b) log 9
c) 1
d) 0
To download Sliptest-2 in PDF click here
Note: Q.No. 1 and 2 are Very short answer type questions. Carries each 2 Marks.
Q.No. 3 and 4 are Short answer type questions. Carries each 4 Marks.
Q.No. 5 is Long answer type question. Carries 6 Marks.
Q.No. 6 and 7 are Objective bits. carries each 1 Mark.