F/Maths-Obj.
1DBDABCCBDD
11ABCACBBDBB
21DCCCCCACBD
31CBACDCBBDB

 

WAEC-F/Maths-ANSWERS

====================================
Section A.
====================================

(1)

====================================

(2a)

(2b)
Any 4 digit must not start with 1 and 3 and must not end with 2 and 8
4 digit starting with 7.
|1|3|2|2|
1st. Last
Possibilities
=1*3*2*2
=12ways
====================================

Use this number 3 is more accurate.
(3)

(3 remaining)

====================================

(4a)

(4b remaining)

====================================

(5a)

(5b)

====================================

(6)

====================================

(7)

====================================

Section B Answers four questions only.

====================================

(9)

====================================

(11)

====================================

(13)

====================================

(14a)

(14b)

====================================

Leave a Reply