Jamb Mathematics Past Questions and Answers

Question 166:

• JAMB 1978

In the diagram above MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140°, find, to the nearest cm, the length of the chord MN.

A. 10cm
B. 18cm
C. 17cm
D. 12cm

Question 167:

• JAMB 2017

If m * n = [mn − nm] for m, n belong to R, evaluate − 3 * 4

A. 3
B. 4
C. 5
D. 6

Question 168:

• JAMB 2017

Factorize completely x2 + 12xy + y2 + 3x + 3y - 18

A. (x + y + 6)(x + y -3)
B. (x - y - 6)(x - y + 3)
C. (x - y + 6)(x - y - 3)
D. (x + y - 6)(x + y + 3)

Question 169:

• JAMB 2017

Make S the subject of the relation
p = s + \(\frac{sm^2}{nr}\)

A. S = \(\frac{nrp}{nr + m^2}\)
B. S = nr + \(\frac{m^2}{mrp}\)
C. S = \(\frac{nrp}{mr}\) + m²
D. S = \(\frac{nrp}{nr}\) + m²

Question 170:

• JAMB 2017

In how many ways can the word MATHEMATICS be arranged?

A. \(\frac{11!}{9!2!}\)
B. \(\frac{11!}{9!2!2!}\)
C. \(\frac{11!}{2!2!2!}\)
D. \(\frac{11!}{2!2!}\)