30
16
-16
-30
Correct answer is C
T4 = 5 + (4 - 1)2; where n = 4 = 5 + (3)2 = 5 + 9 = 14 T = 5 + (6 - 1)2 where n = 6 = 5 + (5)2 = 5 + 25 = 30 T4 + T6 = 14 - 30 = -16
A binary operation \(\oplus\) is defines on the set of all positive integers by a \(\oplus\) b = ab ...
Age in years 7 8 9 10 11 No of pupils 4 13 30 44 9 The table above shows...
If the population of a town was 240,000 in January 1998 and it increased by 2% each year, what would...
Given that \(27^{(1+x)}=9\) find x ...
In the figure, PQ is parallel to SQ ; QS bisets < PSQ, < PQS is 65o and < RPS is 20o. What is the si...
A bag contains 16 red balls and 20 blue balls only. How many white balls must be added to the bag so...
In the diagram, O is the centre of the circle of the circle, PR is a tangent to the circle at Q < SO...
Find the volume of solid generated when the area enclosed by y = 0, y = 2x, and x = 3 is rotated abo...
Find the equation whose roots are -2/3 and -1/4 ...
In the diagram above, QRS is a straight line, QP//RT, PRQ = 56°, ∠QPR =84° and ∠TRS = x°. Fin...
Data Interpretation Questions and Answers
Quantitative Reasoning Questions and Answers
Verbal Reasoning Questions and Answers
Numerical Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Personality Test
Logical Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Spatial Reasoning Questions and Answers
Typing Speed and Accuracy Test
Puzzles Questions and Answers
Microsoft Office Questions and Answers
Situational Judgement Questions and Answers
See all →