A has 20% more money than B and C has 20% less money than B. What percent more money does A have than C?
30
50
17
43
Rani, who is y yr old at present, is x yr older than Hamid. 15 yr ago, Hamid's age was of the age of Rani. Which of the following is true?
3y-4x= 45
2y-x= 15
-15=
3x-4y= 45
Cost price of 20 articles is equal to selling price of x articles. If the profit is 25%, then the value of x is
15
16
18
25
The value of a machine depreciates at the rate of 10% per year. It was purchased 3 yr ago. If its present value is 145800 for how much was it purchased?
175800
180000
200000
210000
C.
200000
Let the Cost Price of the machine be = P
Here, A = 145800 r = 10% and n = 3yr
According to the question,
145800 =
145800 =
P=
200000
The base of an isosceles ABC is 48 cm and its area is 168 cm. The length of one of its equal sides is
8 cm
15cm
17cm
25 cm
The area of a square is of the area of a circle. The ratio of the side of the square to the diameter of the circle is
3:1
2:1
n:1
:1
The sum of all interior angles of a polygon is 1440°. The number of sides of the polygon is
8
10
9
12
If a, b and c are respectively the number of faces, edges, and vertices of a pentagonal pyramid, then the value of is
-1.5
2
1.75
-1
If one angle of a triangle is 130°, then the angle between the bisectors of the other two angles is
65°
115°
130°
155°
Four times the area of the curved surface of a cylinder is equal to 6 times the sum of the areas of its bases. If its height is 12 cm, then its volume (in cm3) is
48
546
768