If one side of a square is decreased by 3m and other side is increased by 2m, a rectangle will be formed whose area is 15 m2 less than the area of the square. Then the side of the square is
9m
5m
7m
8m
The length of rectangle exceeds its width by 6m. If its perimeter is 76m. Then its dimension is _________
16 m, 20 m
14 m, 6 m
12 m, 8 m
10 m, 10 m
The factors of 10x2 - 15x2y is
5x2(2 - 3y)
5x (2 - 3y)
5x (2 + 3y)
5x2 (2 + 3y)
A man spends 2/5 of his income, ie, Rs. 2500 on his food what is his income?
Rs. 6300
Rs. 6500
Rs. 6250
None of these
6/8 of Arun's pocket money is 51 rupees. Arun's pocket money is
68
74
82
66
Factors of k2 + 17k + 60 are
(k + 5)(k + 12)
(k + 3)(k + 14)
(k + 4)(k + 13)
The HCF of 12 a2 and 16 c2 is
4
4a2
4c2
4a2c2
Factors of x2 + 4x - 21 are
(x + 3) (x - 7)
(x + 3)(x + 7)
(x - 3)(x + 7)
(x - 3) (x - 7)
The factor of 7a + 7b is
7a
7b
7
Factors of xy + 4x - 3y - 12 are
(y - 4) (x - 3)
(y + 4)(x + 3)
(y + 4) (x - 3)