If s = \(\sqrt{(\frac{a^2}{x^2} - \frac{b^2}{y^2})}\)what does y equal?

A. \(\sqrt{\frac{(b^2 - a^2)}{(s^2 - x^2)}}\)

B. \(\sqrt{\frac{(b^2 - a^2)}{(s^2 \times 2)}}\)

C. \(\sqrt{\frac{x^2 - a^2 - b^2}{s}}\)

D. \(\frac{x^2 - a^2 - b^2}{s}\)

E. \(\sqrt{\frac{(b^2 x^2)}{(a^2 - s^2 x^2)}}\)

Mr Aborowa bought a car for N200,000.00 and later sold it for N170,000.00. What is the percentage loss?

A. 117.60%

B. 117.60%

C. 117.60%

D. 17.65%

Find the 19th term of the A.P. \(\frac{5}{6}\), \(\frac{8}{6}\), \(\frac{11}{6}\).................

A. 7\(\frac{1}{2}\)

B. 9

C. 9\(\frac{1}{2}\)

D. 9\(\frac{5}{6}\)

E. 10

Simplify 27\(^{-\frac{1}{3}}\) \(\times\) 64\(^{-\frac{1}{3}}\) \(\times\) 4\(^{\frac{1}{3}}\)

A. 48

B. 12

C. \(\frac{4}{3}\)

D. \(\frac{1}{12}\)

E. \(\frac{1}{48}\)

The bearing of a point Y from point x is 150°. What is the bearing of X from Y?

A. 330°

B. 240°

C. 150°

D. 120°

E. 30°

If the mean of 3, 5, 8, k, 14 and 17 is 11, what is the value of k

A. 58

B. 38

C. 19

D. 11

E. 967

From the kip of a storey-buliding, the angle of depression of a mango on a tree 20 m away from the base of the storey-building is 68°. if the mango is 4.5 m above the ground, what is the height of the storey-building to the nearest metre?

A. 55m

B. 54m

C. 50m

D. 49m

E. 45m