Question

1. The cube root of (-5° -6°) is
(a) 216
(b)-30
(d) 11
(c) 30
2. IT the digit in one's place of a number is 3. then the last digit of its cube m e
(a) 7
(d) 9
(b) 4
(c) 5
3. The volume of a cubical box is 216 cm3. Which of the following is its side?
(a) 2cm (b)4cm
(c) 6 cm
(d) 8 cm
A. Which of the following are the factors of 1 - 4x“?
(a) (2x + 1) (2x - 1) (b) (1 – 2x) (1 + 2x) (c) (1 – 2x) (1 -2x) (d) (1 + 2x) (1 + 2x).
5. Which of the following is the factorisation of xºy - xy ?
(a) xy(x – x?) (b)xy[(1+ x) (1 – x)] (c) xy(x? – x)
(d) xy[(x + 1)(x - 1)]
Fill in the blanks (Q.No.6-7):
8. -36y3 +9y² = _
7. A perfect cube does not end with two zeroes. State True/False :
8. Factorise : 7x – 42.
Or
Work out : (10x – 25):5.​

Answer 1

Answer:

1. c)30

2.4

6 cm

3.d

hi yea hoge answer and good morning