The Officials Mth101 CBT Practice

25 Questions | By Www.kolaworley94 | Last updated: Mar 21, 2022 | Total Attempts: 425

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The Officials Mth101 CBT Practice - Quiz

This is a set up practice question by Oyewole Kolawole David, a student of Mechatronics Engineering department.

Questions and Answers

1.

Let the U = {1,2,3,4,5,6,7,8,9}. And A={1,2,3,4}, B={1,3,5,7} , C={3,7,9} . Find (A U B U C)"
- A.
  
  {6,8}
- B.
  
  {5,7,9}
- C.
  
  {2,4,6,8}
- D.
  
  {3}
2.

Given that A= {a, b, c, d}, find n(A), the power set of A
- A.
  
  2
- B.
  
  3
- C.
  
  4
- D.
  
  5
3.

Simplify a°
- A.
  
  0.12
- B.
  
  7
- C.
  
  2
- D.
  
  1
4.

Solve the exponential equation: 2^2x - 6(2^x) + 8 = 0
- A.
  
  X= 7 or 2
- B.
  
  X= 1 or 2
- C.
  
  X= - 1 or - 2
- D.
  
  X= 1 or - 2
5.

Given that a is a positive constant. Solve the inequalities |x-3a| > |x-a|
- A.
  
  X<2a
- B.
  
  X<-2a
- C.
  
  X>2a
- D.
  
  X>-2a
6.

Find the nth term of the arithmetic sequence 7,2,-3,-8,......
- A.
  
  2+ 5n
- B.
  
  12 - 5n
- C.
  
  3 + 7n
- D.
  
  1 - n
7.

Find the common difference BTW the successive terms of the arithmetic sequence for which the first term is 5 and the 32nd term is -119
- A.
  
  -4
- B.
  
  5
- C.
  
  4
- D.
  
  24
8.

Sum the series 5+10+15+20+25+30+35+40
- A.
  
  30
- B.
  
  320
- C.
  
  200
- D.
  
  180
9.

The sum of the 3rd term and the 7th of a sequence equals 6 and their product equals 8. Find the sum of the first 16 terms of the sequence
- A.
  
  26
- B.
  
  76
- C.
  
  56
- D.
  
  106
10.

Find the sum of all the integers between 100 and 400 that are divisible by 7
- A.
  
  12216
- B.
  
  10936
- C.
  
  10836
- D.
  
  27492
11.

Find the Eighth term of the geometric sequence 8, 4, 2,...
- A.
  
  1/16
- B.
  
  1/9
- C.
  
  -1/4
- D.
  
  1/8
12.

The 3rd and 6th terms of a GP are 108 and - 32 respectively. Find the common ratio
- A.
  
  2/3
- B.
  
  -2/3
- C.
  
  3/2
- D.
  
  -3/2
13.

Solve the equation 2x^2 + 7x - 4 = 0
- A.
  
  2/3 or 4
- B.
  
  1/3 or 5
- C.
  
  1/2 or 4
- D.
  
  0.5 or - 4
14.

Find the minimum value of y = 3x^2 - 2x + 1
- A.
  
  4/3
- B.
  
  2/3
- C.
  
  1/3
- D.
  
  1/2
15.

If a and B are the root of the equation 3x^2 - x - 5 = 0, find a + B
- A.
  
  5/3
- B.
  
  -5/3
- C.
  
  -1/3
- D.
  
  1/3
16.

___________ triangle is used to solve problems in Binomial expansion
- A.
  
  Pythagoras
- B.
  
  Pascal
- C.
  
  Milikan
- D.
  
  Isosceles
17.

In how many ways can the following words be arranged : SUCCESSION
- A.
  
  302400 ways
- B.
  
  372933 ways
- C.
  
  1550 ways
- D.
  
  100 ways
18.

Six people sit a round table. In how many ways can two of them sit next to each other
- A.
  
  20 ways
- B.
  
  30 ways
- C.
  
  40 ways
- D.
  
  50 ways
19.

Seven men volunteer to dig a well in a community, find the number of ways five of them can be chosen for the job
- A.
  
  21
- B.
  
  14
- C.
  
  49
- D.
  
  12
20.

Which of these rule/method cannot be used to solve simultaneously in Matrices?
- A.
  
  Planks method
- B.
  
  Inverse method
- C.
  
  Gauss elimination method
- D.
  
  Crammers rule
21.

Simplify (6 + 3i) + (7 - i)
- A.
  
  13 + 2i
- B.
  
  13 - 2i
- C.
  
  2 + 13i
- D.
  
  2 - 13i
22.

(7 + 2i) + (3 - 4i) - (5 + i)
- A.
  
  6 + 3i
- B.
  
  13 - 4i
- C.
  
  5 - 3i
- D.
  
  5 + 3i
23.

Express (3 + i) ( 4 - 2i) in form of a + ib
- A.
  
  14 - 2i
- B.
  
  14 + 2i
- C.
  
  18 - i
- D.
  
  18 + i
24.

Express 100° in radians
- A.
  
  5^/9
- B.
  
  2^/5
- C.
  
  ^/9
- D.
  
  Pi/5
25.

Express 2pi/5 in degrees
- A.
  
  72°
- B.
  
  40°
- C.
  
  75°
- D.
  
  132°