How good are you with figures and formulas? Find out with these Mathematics past questions and answers. This Test is useful for both job aptitude test candidates and students preparing for JAMB, WAEC, NECO or Post UTME.
Express 0.000834 in standard form
8.34 x 10-4
8.34 x 10-3
8.34 x 103
8.34 x 104
8.34 x 106
Correct answer is A
No explanation has been provided for this answer.
If three children shares N10.50 among themselves in ratio 6:7:8, how much is the largest share?
N3.00
N3.50
N4.00
N4.50
N5.00
Correct answer is C
Ratio = 6 + 7 + 8 = 21
21 = N10.50
1 = 1050K/21 = 50K
6 = 6 x 50K = N3.00
7 = 7 x 50K = N3.50
8 = 8 x 50K = N4.00
the Largest share = N4.00
Find (101\(_2\))\(^2\), expressing the answer in base 2.
10101
11001
10010
11101
10110
Correct answer is B
You can convert it to base 10 and square, then re-convert it after the operation.
OR
You can multiply it straight applying the rules of binary multiplication.
19.5 - 20.4cm
19.1 - 20.9cm
19.9 - 20.1cm
19.95 - 20.05cm
19 - 21cm
Correct answer is A
In mathematics, numbers ranging from 0.5 - 0.9 are approximated to 1, while 0.1 - 0.4 are taken down to 0.
Find the probability that a number selected from the number 30 to 50 inclusive is a prime
1/4
5/21
2/7
3/10
1/3
Correct answer is B
30 (31) 32 33 34 35 36 (37) 38 39 40 (41) 42 (43) 44 45 46 (47) 48 49 50
prob = 5/21