A. Fill in blanks:
1. Absolute value of -5 is
2. The rational number 9/2 lies between integers
43 and 34 are to each other
4. The negative of rational number (-3/4) is
5. Multiplicative interse of 5/6 is
3.1 is of 3
7. Usual form of 8.08x 10is
8. Reciprocal of ze is
9. Square of(-100) is
10. Square root of 64 is
11. Possible number of digits in square of 98 is
12. Cube of (-5) is
13. Cube foot of f cube toot is
and (-ioba)
12
(-8)
14. Symbol sign of
15. Sab
are terms
16. Product of ab and bc is
17. Degree of algebraic expression 1-x-x? is
18. HCF of Ixy and 8xy is
19.25 is of 100
of 5
21. 8 is of
equation x-5=3
22. If 2x-2=x+4, then x cquals
23. A two digit no whose one's digit is 'and ten's digit is 'y' is
24. CP - SP.
20.25 is
B. Answer true/false for the following statements:
(16 x 0.5=8)
1. Discount is always calculated on ........
2. a% of b is equal to b% of a.
3. The difference of two-digit number and the number obtained on reversing the digits
is always divisible by 9.
4. (x-7) & (x+7) are factors of x2 - 49
5. All possible factors of 8x are 1,2,4,8, x2x4x & Sx
6. Polynomials having only three terms are called trinomials.
7. An algebraic expression with non-zero coefficients and variables having non
negative integers as exponents is called a polynomial.
8. The cubes of numbers may end with only two zeroes.
9. The square of even numbers contains even numbers of digits.
10. There is no square number between 30 & 60.
Answers
Answered by
6
Answer:
1. -5
2. 4 and 5
3. Question is not proper
4. -3/4
5. 6/5
8. Infinite
9. 10,000
10. 8
11. 4
12. -125
16. abc × b^2c
17. 1
18. 1xy
21. 8
22. 6
23. yx
24. Discount
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