# NECO GCE Mathematics Questions and Answers 2021 Objective and Essay Expo | Check Now

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NECO GCE Mathematics 2021 Questions and Answers: Get NECO GCE Mathematics 2021 answers Objective and Essay for December 4th, Paper III & II: Objective & Essay – Mathematics. This page will show you the 2021 NECO GCE Mathematics questions and answers both the objective and essay for WAEC candidates.

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## NECO GCE Mathematics Questions and Answers 2021

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### NECO GCE 2021 Mathematics Past Questions and Answers Essay and Objective

1. (a) Two children shared an amount of money in the ratio 3/4 : 2/5. If the smaller share was GH¢25.00, how much was shared between them?
(b) A box contains 5 red, 3 green and 4 blue balls of the same size. If a boy picks two balls from the box one after the other without replacement, what is the probability that both balls are red?

2. a) In a right angled triangle, sin x = 3/5. Evaluate 5(cos x)³ – 3.
(b) The angle of elevation of the top of a vertical pole from a point 63m east of the base of the pole is 30°. From another point due west of the pole, the angle of elevation of the top is 60°
(i) Draw a sketch diagram to illustrate the information.
(ii) Calculate, correct to three significant figures, the distance of the second point from the base of the pole.

3. (a) The diagonals of a rhombus are 14em and gem. Calculate, correct to the nearest centimeter, the perimeter of the rhombus.
(b) The cross-section of a rectangular tank measures l.2m by 0.9m. It contains water to a depth of O.4m. If a cubical block of side 50em is lowered into the tank, calculate, correct to 2 significant figures, the rise in the water level (in metres).

4. (a) In a class of 50 students, 30 offered History, 15 offered History and Geography while 3 did not offer any of the two subjects.
(i) Represent the information on a Venn diagram.
(ii) Find the number of candidates that offered:
(A) History only;
(B) Geography only.
(b) A trader sold an article at a discount of 8% for N 828.00. If the article was initially marked to gain 25%, find the
(i) cost price of the article;
(ii) discount allowed.

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