Math Question

The above diagram is a cross section of a swimming pool of 20 m wide. A pole is put in the middle of the pool and its upper part is 3 m above water level. How long is the pole?

(A) 5 m (B) 6 m

(C) 7 m

(D) 8 m

The above diagram shows a part of two congruent regular polygons with a common side PQ. PS and PR are two other sides of the polygons. The polygons are (A) heptagons

(B) octagons

(C) hexagons (D) decagons

In the above diagram, ABCDEFGH is a rhombus. The triangle similar to triangle ABH is triangle (A) FGH

(B) ACG (C) CBD (D) GAE

(A) y = 12x + 4

(B) y = -3x + 12 (C) y = 4x + 12 (D) y = -4x + 12

In the above graph, p=

(A) -1

(B) -4

(C) -6 (D) -8

The diagram shows a circle JKLM with centre O. The value of x is

(A) 70

(B) 80

(C) 100 (D) 110

The data has a mean time of 12.5 seconds. Find the value of m.

(A) 3 (B) 4

(C) 5

(D) 6

The diagram shows a right prism. Given that its volume is 3840 cm3 , calculate its height h, in cm.

(A) 10

(B) 12 (C) 15 (D) 16