MATHEMATICS
(2021 Revised Exam Practice Guide Contains 50 Questions all answered from
Set 2)
1. 8327 – 1278 =
a. 7149
b. 7209
c. 6059
d. 7049
1. D
8327 – 1278 = 7049
2. 294 X 21
=
a. 6017
b. 6174
c. 6728
d. 5679
2. B
294 X 21 = 6174
3. 1278 + 4920 =
a. 6298
b. 6108
c. 6198
d. 6098
3. C
,1278 + 4920 = 6198
4. 285 * 12
=
a. 3420
b. 3402
c. 3024
d. 2322
4. A
285 * 12 = 3420
5. 4120 – 3216 =
a. 903
b. 804
c. 904
d. 1904
5. C
4120 – 3216 = 904
6. 2417 + 1004 =
a. 3401
b. 4321
c. 3402
d. 3421
6. D
2417 + 1004 = 3421
7. 1440 ÷ 12 =
, a. 122
b. 120
c. 110
d. 132
7. B
1440 ÷ 12 = 120
8. 2713 – 1308 =
a. 1450
b. 1445
c. 1405
d. 1455
8. C
2713 – 1308 = 1405
9. It is known that x2+4x=5. Then x can be
a.0
b. -5
c.1
d. Either (b) or (c)
9. D
x2 +4x=5, x2+4x-5=0, x2+5x-x-5=0, factorize x(x+5)-1(x+5)=o, (x+5)(x-1)=0. x + 5 = 0 or x - 1
= 0, x = 0 - 5 or x = 0 + 1, x = -5 or x = 1, either b or c.
10. (a+b)2 = 4ab. What is necessarily correct?
a. a>b
b. a<b