In a two digit number, the ten's digit is bigger. The product of the digits is 27 and the difference between two digits is 6. Find the number.
90
91
92
93
Find the remainder when :x4 - 3x2 + 2x + 1 is divided by x -1.
1
0
2
3
The sum of the ages of a father and his son is 45 years. Five years ago the product of their ages was 124. Find their present ages
36 and 9
40 and 5
35 and 10
25 and 20
A matrix in which number of rows are not equal to number of columns is called
Zero
Diagonal
Square
Rectangular Matrix
Find two consecutive positive odd numbers, the sum of whose squares is 74.
7, 7
7, 8
5, 6
5, 7
Form the quadratic equation if the solution are -7 and 3
x2 - 4x + 21= 0
x2 + 4x - 21 = 0
x2 + 4x + 21 = 0
x2 - 4x - 21 = 0
The midpoint of the line joining (a, -b) and (3a, 5b) is
(-a, 2b)
(2a, 4b)
(2a, 2b)
(-a, -3b)
What quantity must be subtracted from each term of the ratio 9 : 17, to make it equal to 1 : 3?
6
4
5
Find the value of a, if x - 2 is a factor of 2x5 - 6x4 - 2ax3 + 6ax2 + 4ax + 8.
1.3
1.5
-1.5
Find the value of x, if a + 1 = 0 and x2 + ax - 6 = 0.
3, -2
-2
2, -2