2018 JAMB CBT 10th 7am MATHS QUESTIONS AND ANSWERS (DAY 2)

MATHS
1 :- Add 1011 base 2 and 11101 base 2
CORRECT ANSWER =
(101000) base 2
2 :- Rationalize 2 – square root 3 / square root 3 + square
root 2
CORRECT ANSWER =
square root 3 – 2 square 2 + square root 6 – 3
3 :- Calculate the interior angle of a regular polygon with
6 sides
CORRECT ANSWER =
120
4 :- If P = [2,4,0 1,5,-2 3,6,-3] Find |P|
CORRECT ANSWER =
-18
5 :- Express 8.3 x 10 power -5 as decimal fraction
CORRECT ANSWER =
0.000083
6 :- Represent the inequality -1 < x < or = 3 on a niumber
line CORRECT ANSWER = -1 3
7 :- From the diagram
above, calculate the area of the triangle CORRECT
ANSWER = 4.0cm square
8 :- The coordinates of the mid
point of the line joining (x base 2 y base 2) are CORRECT
ANSWER = 1/2(x base 1 y base 1), 1/2 (x base 2 + y base
2)
9 :- Solve 3x p9 power 3 x = 27 CORRECT ANSWER = 3
10 :- if the factory employs 108 people. How many are
mangers CORRECT ANSWER = 6
11 :- Given the equation
8y – 10x = 28 and 2y = 6x, Find the value of x and y
CORRECT ANSWER = 2, 6
12 :- In how many ways on the
word STATISTICS be arranged? CORRECT ANSWER = 10! /
3! 3! 2!
13 :- A teacher spent 1/5 of her salary on shoes,
1/3 of the reminder on food and kept the rest for
miscellaneous expenses. What fraction was kept CORRECT
ANSWER = 8/15
14 :- Find the sum of the first five terms
of the sequence 3,6,9,? CORRECT ANSWER = 45
15 :- Find
the distance between the points on aline P(2,6) and Q(5,9)
CORRECT ANSWER = 3 square root 2
16 :- If a fair coin is
tossed thrice, find the probability of obtaining at least 2
heads CORRECT ANSWER = 1/2
17 :- In the diagram above
QU//RT, RS//TU, QR = 4cm, QS = 4cm, RT = 6cm. Find the
ratio of the area of UTRS to the area of QUTR CORRECT
ANSWER = 24:16
18 :- Defin the binary operation * by a *
b = a power 2 + b power 2. Evaluate 4 * 3 CORRECT
ANSWER = 25
19 :- Find 2M + 3N CORRECT ANSWER =
(3,8,2 10,3,2 3,6,4)
20 :- Find the nth term n of the
geometric sequence 8,4,2,?. CORRECT ANSWER = 16 (1/2)
power n
21 :- Find the number of ways of selecting 5 cups
out 12 cups for tea break CORRECT ANSWER = 792
22 :-
From the diagram above, find the value of y degree
CORRECT ANSWER = 45 degree
23 :- If p varies directly as
the square of z and p = 20 when z = 5, find p when z = 8
CORRECT ANSWER = 51.2
24 :- If P {factor of 12 less than
12}. Q {even numbers greater than 2 but less than or
equal to 10} CORRECT ANSWER = {4,6}
25 :- In the
diagram above PQ // RS The size of the angle marked y is
CORRECT ANSWER = 85 degree
26 :- Find the value of log
a power 5 base a CORRECT ANSWER = 5
27 :- Given the
diagram above, PQRS is a cyclic quadrilateral, Find the
angle marked x CORRECT ANSWER = 82
28 :- Calculate the
simple intertst on N6,500 for 4 years at 6% CORRECT
ANSWER = N1560
29 :- Find it mode of the given data.
1,0,5,3,2,4,3,1,2,6,3,5 CORRECT ANSWER = 3
30 :- Evaluate
S (6 cos x – 4 x power 2) CORRECT ANSWER = 6 sin x – 4/3
x power 3 + k
31 :- Given the function y = 3x square – 5x,
find the dy/dx at x = -1 CORRECT ANSWER = -11
32 :-
Divide 3x power 3 – 2x square – 5 + 3 by x + 2 CORRECT
ANSWER = (x+1) (3x power 2 – 8x + 11) – 19
33 :- In a
right angled triangle 0,0 show that sin square 30 + cos
square 30 = x. Find x CORRECT ANSWER = 1
34 :- Find the
limit of a givenm fractrion lim / x -> 3 x square – 4 / x + 2
CORRECT ANSWER =
1
35 :- From the table above, find the range of the
distribution
CORRECT ANSWER =
5
36 :- Convert 733 base ten to a number in base five
CORRECT ANSWER =
(10413) base five
37 :- List the members of (M n H) n L
CORRECT ANSWER =
{t}
38 :- If V varies inversely as x square and V = 9 when x =
10 find V when x = 5
CORRECT ANSWER =
36
39 :- If f(x) = 3x power 3 – 2x square 5x + 3 find f(-1)
CORRECT ANSWER =
3
40 :- Find the median of the number 4,7,9,3,11 and 6
CORRECT ANSWER =
6.5

Leave a Reply

Your email address will not be published. Required fields are marked *