1. Which is the smallest fraction among following?
a) 5/0.6
b) 7/0.8
c) 10/0.9
d) 15/1.9
e) 100/12.5
2. What approximate amount of compound interest can be obtained on an amount of Rs 4840 at the rate of 8% p.a at the end of 3 years?
a) Rs 1143
b) Rs 1257
c) Rs 1287
d) Rs 1312
e) Rs 1328
3. Find the average of the following set of scores?
3206, 4729, 1223, 5392, 6685, 8429
a) 4894
b) 4924
c) 4944
d) 4948
e) 4984
4. The difference between a two-digit number and the number obtained by interchanging the digits of the two-digit number is 45. If the average of the digits of the two-digit number is 4.5 then what is 275% of the two-digit number?
a) 176
b) 187
c) 198
d) 209
e) None of these
5. The ratio of present ages of two persons A and B is 5 : 9 respectively. Eight years ago the ratio of their ages as 1 : 2. What would be the respective ratio of their ages after eight years?
a) 3 : 5
b) 4 : 5
c) 2 : 3
d) 2 : 5
e) 3 : 4
Directions (Q. 6-10): What should come in the place of question mark (?) in the following questions?
6. 78934 – 11276 + 49652 – 66220 = ?
a) 51340
b) 56040
c) 51090
d) 50220
e) 49880
7. 432.16 – 112.84 + 669.99 – 884.02 = ?
a) 98.89
b) 102.19
c) 104.59
d) 105.29
e) 106.09
8. 184 ÷ 46 ÷ 0.008 ÷ 12.5 = ?
a) 20
b) 40
c) 80
d) 400
e) 500
9. 48% of 465 – ?% of 288 = 93.6
a) 25
b) 35
c) 45
d) 55
e) 65
10. ? × 777 = 127428
a) 142
b) 164
c) 176
d) 188
e) None of these
Answers:
1. d
Smallest fraction is 15/1.9 = 7.89
2. b
CI = 4840(1-(1+8/100)^3) = 1257
3. c
Average = (3206+4729+1223+5392+6685+ 8429)/6
=26664/6=4944
4. c
Let the number be 10x+y
So, (10x+y) – (10y+x) = 45
x-y = 5
And x+y = 4.5*2 = 9
Solving both equations we get,
x = 7, y = 2
Required number = 72
275% of 72 = 198
5. a
(5x-8)/(9x-8)=1/2
x = 8
Required ratio = (5x+8)/(9x+8)=6/10=3:5
6. c
78934 – 11276 + 49652 – 66220 =51090
7. d
432.16 – 112.84 + 669.99 – 884.02 =105.29
8. b
184 ÷ 46 ÷ 0.008 ÷ 12.5 = 184/46*0.008/12.5=40
9. c
48% of 465 – ?% of 288 = 93.6
223.2 – 93.6 = ?% of 288
?% of 288 = 129.6
? = 45
10. b
? × 777 = 127428
? = 127428/777 = 164
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