DELSU Mathematics 2014/2015 Past Questions

Practice each question, then open it to see the full details.

Which of the following statement is true?

A.The volumes of similar solids are in the ratio of the cube of their line at dimension
B.The sum of angles in a triangle is four right Angles
C.If two un-parallel lines are transverse by third line, then the corresponding angles must be equal.
D.Hero's formula is used for computing Area of a triangle when only one of its side is given.

Given that the matrix( 6) is Singular, then the value of x is

A.10
B.8
C.12
D.14

Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm in term of π

A.24π cm²
B.36 πcm²
C.9 πcm²
D.15 πcm²

Find the LCM of x² + x, x² - 1,x²-X

A.x(x+1)(x-2)
B.x(x-1)(x+1)
C. (x²+1)(x+2)
D.(x+1)x²

Suppose that log y + 3log x=2, express y in terms of x

A.y = 2 x²
B. y = 52x²
C. y = 100/x³
D.y = x³/54

The quadratic equation whose roots are 4 and - 7 is

A.x² + 3x + 28 =0
B.x² - 3x + 28 =0
C.x² -3x - 28 =0
D.x² + 3x - 28=0

The remainder when f(x) = x³-3
x² + x - 5 is divided by x + 2 is

A.-18
B.-22
C.-27
D.-32

Solve the equation (0.3)^x+1 =(0.7)

A.-2.316
B.-3.112
C.-1.421
D. -4.314

Given U={a,b,c,d,e, f, g, h, ij,k,1} as the
universal set and its subsets as P {a,b,f,g,j,l},
Q={b,c,h,j} and R= {a,d,e,f}. PnR is

A.{1,k,1}
B.{a,f}
C.{b,f,g}
D.{d, 1}

Given that tan è =5/12, then the actual value of Sin²è + Cos²è is

A.3/12
B.12/13
C.1
D.1/2

The product of 214 and 23 in base 5 is

A.4922
B.237
C.428
D.11032

The sum of 28 terms of the A.P. is,310,17 ...

A.1427
B.3816
C.4234
D.2730

The figure above represents a pyramid with square base ABCD of side 5m. OA = OB = OC = OD = 8m. What is the height ON of the pyramid?

A.5.37m
B.8.14m
C.6.35m
D.7.18m

A cone of height 6 cm and base radius 7 cm is placed on top of the cross section of a cylinder of height 10 cm and of the same radius with the cone. Find the volume of the composite figure so formed

A.240cm²
B.1240cm²
C.1624cm²
D.1848 cm²

One interior angle of a regular a polygon is 170°. How many side has the polygon?

A.24
B.43
C.18
D.36