11th Class FSc part 1 Mathematics Online Test

The product of three G.Ms between 1 and 16 is:

• 32 A
• 64 B
• 128 C
• 16 D

If A is a square matrix, then A - A^t is:

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

If a set is described by listing its elements within brackets is called:

• set builder notation A
• tabular form B
• descriptive method C
• none of these D

2 cos α cos ß =

• sin (α + ß) - sin (α - ß) A
• cos (α + ß) - cos (α - ß) B
• cos (α + ß) + cos (α - ß) C
• sin (α + ß) + sin (α - ß) D

The next term of the sequence 1, 6, 20, 56, ........ is:

• 112 A
• 144 B
• 212 C
• none D

If A is a matrix of order m × n, then the number of elements in each row of A is:

• m A
• n B
• m + n C
• m - n D

The number of radius in the angle subtended by an arc of a circle at the center =

• radius × arc A
• radius - arc B
• 
  C
• 
  D

sin5Θ + sin3Θ is equal to:

• 2cos 2Θ sin Θ A
• -2 cos 4Θ sin Θ B
• -2 sin 4Θ cos Θ C
• 2 sin 4Θ cos Θ D

• equal sets A
• null sets B
• overlapping sets C
• subsets D

A key ring is an example of:

• permutation A
• circulation permutation B
• combination C
• none D

If n is a positive integer, then the binomial co-efficient equidistant form the beginning and the end in the expansion of (x+a)ⁿ are:

• same A
• not same B
• additive inverse of each other C
• none of these D

(x + 3) (x + 4) = x2 + 7x + 12 is:

• 
  A
• 
  B
• 
  C
• 
  D

The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is:

• 
  A
• 
  B
• 
  C
• 
  D

• 1 A
• 0 B
• 2 C
• 3 D

The angle between 0° and 360° and co-terminal with - 620° is:

• 100° A
• 200° B
• 300° C
• 320° D

The in-radius r of a triangle is given by:

• 
  A
• 
  B
• 
  C
• 
  D

In ax² + bx + c = 0, if b² - 4ac > 0 and perfect square the roots are:

• rational A
• irrational B
• equal C
• complex D

If 2s = a + b + c, where a, b, c are the sides of a triangle ABC, then area of triangle ABC is given by:

• 
  A
• 
  B
• 
  C
• 
  D

Two matrices X and Y are equal if and only if:

• X and Y are of same order A
• Their corresponding elements are equal B
• Both a and b C
• None of these D