22

100112 + *2 + 111002 + 1012 = 10011112

  • A. 11112
  • B. 110112
  • C. 101112
  • D. 110012
View Answer & Discuss JAMB 2015
23

Evaluate log717

  • A. 1.35
  • B. 1.353
  • C. 1.455
  • D. 0.455
View Answer & Discuss JAMB 2015
24

If an investor invest N450,000 in a certain organization in order to yield X as a return of N25,000. Find the return on an investment of N700,000 by Y in the same organization.

  • A. N14,950.50K
  • B. N25,150.30K
  • C. N15,000.00K
  • D. N38,888.90K
View Answer & Discuss JAMB 2015
25

Given that S and T are sets of real numbers such that S = {x : 0 \(\leq\) x \(\leq\) 5} and T = {x : โˆ’ 2 < x < 3} Find S \(\cup\) T

  • A. โˆ’3 < x < \(\leq\)3
  • B. โˆ’2< x < \(\leq\)5
  • C. 2< x < \(\geq\) โˆ’5
  • D. โˆ’1< x \(\geq\) \(\leq\)2
View Answer & Discuss JAMB 2015
26

Determine the third term of a geometrical progression whose first and second term are 2 and 54 respectively

  • A. 1458
  • B. 1485
  • C. 1345
  • D. 1258
View Answer & Discuss JAMB 2015
27

Find the distance between the points (-2,-3) and (-2,4)

  • A. 3m
  • B. 2.4m
  • C. 3.2m
  • D. 7.0m
View Answer & Discuss JAMB 2015
28

Simplify \(6\frac{1}{12} โˆ’ 2 ยพ + 1 ยฝ \)

  • A. \( 3 \frac{5}{6}\)
  • B. \( 4 \frac{5}{6}\)
  • C. \( 2 \frac{1}{6}\)
  • D. \( \frac{1}{3} \)
View Answer & Discuss JAMB 2015
29

A man bought a car for N800 and sold it for N520. Find his loss per cent

  • A. 15%
  • B. 25%
  • C. 35%
  • D. 10%
View Answer & Discuss JAMB 2015
30

If (159.75)10 = (x)6. Find x

  • A. x6 = 123.346
  • B. x6 = 424.56
  • C. x6 = 122.436
  • D. x6 = 124.456
View Answer & Discuss JAMB 2015
31

The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both

  • A. \( \frac{2}{15} \)
  • B. \( \frac{3}{4} \)
  • C. \( \frac{9}{15} \)
  • D. \( \frac{1}{15} \)
View Answer & Discuss JAMB 2015
32

The volume of a cylinder whose height is 4cm and whose radius 5cm is equal to (ฯ€ = 3.14)

  • A. 3.13cm2
  • B. 145cm2
  • C. 314cm2
  • D. 214cm2
View Answer & Discuss JAMB 2015
33

Solve x2 โˆ’ 2x โˆ’ 3 = 0

  • A. x = 2 or 1
  • B. x = 3 or -1
  • C. x = 1 or 0
  • D. x = 1 or 2
View Answer & Discuss JAMB 2015
34

Find the value of x if \( [ 1 รท 64^{(x + 2)}]= [4^{(x โˆ’ 3)} รท 16^x ] \)

  • A. \( \frac{3}{2} \)
  • B. \( \frac{2}{3} \)
  • C. \( \frac{1}{3} \)
  • D. \( -\frac{3}{2} \)
View Answer & Discuss JAMB 2015
35

A man sells his new brand car for N420,000 at a gain of 15%. What did it cost him?

  • A. N410,000
  • B. N365, 217
  • C. N157, 250
  • D. N257,000
View Answer & Discuss JAMB 2015
36

Find x if 132x = 70 eight.

  • A. 5
  • B. 3
  • C. 6
  • D. 1
View Answer & Discuss JAMB 2015
37

Given that A = {3, 4, 1, 10, โ…“ }

B = {4, 3,โ…“, โ…“, 7}.

Find AโˆฉB

  • A. {}
  • B. {โ…“, 1, 2}
  • C. {3, 4, โ…“}
  • D. {1, 3, โ…“}
View Answer & Discuss JAMB 2015
38

One bag contain 3 blue and 5 red balls, another bag contain 2 blue and 4 red balls respectively. One ball is drawn for each bag. What is the probability both balls are blue

  • A. \( \frac{2}{15} \)
  • B. \( \frac{3}{24} \)
  • C. \( \frac{3}{21} \)
  • D. \( \frac{3}{28} \)
View Answer & Discuss JAMB 2015
39

Simplify \( [1 รท (x^2 + 3x + 2)] + [1 รท (x^2 + 5x + 6)] \)

  • A. \( \frac{2}{(x + 1)^2} \)
  • B. \( \frac{2}{(x + 1)(x + 2} \)
  • C. \( \frac{2}{(x + 1)(x + 2} \)
  • D. \( \frac{2}{(x + 1)(x + 3} \)
View Answer & Discuss JAMB 2015
40

Simplify (0.09)2 and give your answer correct to 4 significant figures

  • A. 0.81
  • B. 0.081
  • C. 0.0081
  • D. 8.0001
View Answer & Discuss JAMB 2015
41

Find the simple interest on N325 in 5years at 3% per annum.

  • A. N48.75K
  • B. N50.10K
  • C. N75.50K
  • D. N15.75K
View Answer & Discuss JAMB 2015
42

If A = (โˆ’3,5) and B = (4,โˆ’1) find the co-ordinate of the mid point

  • A. 2, ยฝ
  • B. ยฝ , 2
  • C. 1, ยฝ
  • D. 0, 2
View Answer & Discuss JAMB 2015