Mathematics Past Questions and Answers

The first term a of an A.P is equal to twice the
common difference d. Find, in terms of d, the 5th
term of the A.P.

A 4d
B 5d
C 6d
D A + 5d
E 2a + 4d

Question 197:

The common ratio of a G.P. is 2. If the 5th term is
greater than the 1st term by 45, find the 5th term,

A 3
B 6
C 45
D 48
E 90

Question 198:

Two towns, P and Q, are on (4^oN 40^oW) and (4^oN
20^oE) respectively. What is the distance between
them, along their line of latitude? (Give your
answer in teems of π and R, the radius of the earth).

A 2πR cos4^o
B πR sin40^o
C πR/2 cos4^o
D πR/3 cos4^o
E πR/6 cos4^o

Question 199:

the graph above is a sketch of

A Y = sin 2x
B Y=sinx
C Y=cos2x
D Y=2sinx
E Y = 2cos x

Question 200:

Given that sin \(\theta\) = -0.9063, where O \(\leq\) \(\theta\) \(\leq\) 270°, find \(\theta\).

A 65^o
B 115^o
C 145^o
D 245^o
E 265^o