A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pope is 10cm.Find the volume of metal used in making 3m of the pipe.

• A. 153πcm³
• B. 207πcm³
• C. 15 300πcm³
• D. 20 700πcm³

In the figure, PQR is a semicircle. Calculate the area of the shaded region

• A. 125^{\(\frac{2}{7}\)2}
• B. 149^{\(\frac{2}{7}\)}cm²
• C. 234^{\(\frac{1}{7}\)}cm²
• D. 267^{\(\frac{1}{2}\)}cm²

If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes?

• A. 27 : 32
• B. 27 : 23
• C. 23 : 32
• D. 27 : 23

In the figure, PS = QS = RS and QSR - 100^o, find QPR

• A. 40^o
• B. 50^o
• C. 80^o
• D. 100^o

Simplify and express in standard form \(\frac{0.00275 \times 0.0064}{0.025 \times 0.08}\)

• A. 8.8 x 10^-1
• B. 8.8 x 10^-2
• C. 8.8 x 10^-3
• D. 8.8 x 10³

, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16

• A. 48^o
• B. 84^o
• C. 92^o
• D. 276^o

The H.C.F. of a²bx + ab²x and a²b - b² is

• A. b
• B. a + b
• C. b(a ÷ b)
• D. abx(a² - b²)

Find the probability that a number selected at random from 41 to 56 is a multiply of 9

• A. 1/8
• B. 2/15
• C. 3/16
• D. 7/8

Find the sum of the first 18 terms of the progression 3, 6, 12......

• A. 3(2¹⁷ - 1)
• B. 3(2¹⁸ - 1)
• C. 3(2¹⁸ + 1)
• D. 3(2¹⁷ - 1)

Find the curved surface area of the frustrum in the figure

• A. 16\(\pi \sqrt{10}\)cm²
• B. 20\(\pi \sqrt{10}\)cm²
• C. 24\(\pi \sqrt{10}\)cm²
• D. 36\(\pi \sqrt{10}\)cm²