A grandfather is ten times older than his granddaughter. He is also 54 years older than her, then thier present ages are
6, 60
6, 54
10, 54
10, 60
A polynomial is said to be linear if its deree is
2
3
0
1
The angles of a triangle are x°, x + 15° and 2x - 15°. The smallest angle of the triangle is
60°
75°
45°
15°
25 times the square of a number is 400. Which is the number?
8
4
12
The base of an isoceles triangle is 5/3 cm. The permieter of the triangle is 4 2/15 cm. The length of either of the remaining equal sides is,
30/37
73/30
37/30
112/90
Three numbers are in the ratio 1:2:4 and their product is 125. The middle term is
7
9
5
2 is a solution of
x + 1 = 4
x - 1 = 1
x + 2 = 2x - 1
2x - 6 = 1
(-1) satisfies
2x - 1 = -3
2x + 2 = -3
2x + 3 = 2
2x + 1 = 3
The sum of three consecutive numbers is 600. Find the smallest one in that.
200
201
202
199
10 years ago, the age of B is 10 times of C. The ratio of present ages of B and C is 4:1. Find the present age of B
45
50
60
55
