1. A 180 m long train crosses another 270 m long train running in the opposite direction in 10.8 s. If the speed of the first train is 60 km/h, what is the speed (km/h) of the second train?
a) 80
b) 90
c) 150
d) Can't be determined
e) None of these
2. When 30% of one number is subtracted from another number, the second number reduces to its own four-fifth. What is the ratio between the first and the second numbers respectively?
a) 4 : 7
b) 3 : 2
c) 2 : 5
d) Can't be determined
e) None of these
3. The value of which of the following fractions is less than 20%?
a) 5/6
b) 2/3
c) 2/5
d) 1/4
e) 2/11
4. The ratio between the ages of a father and a son at present is 5 : 2, respectively. 4 yr hence the ratio between the ages of the son and his mother will be 1 : 2 respectively. What is the ratio between the present ages of the father and the mother respectively.
a) 3 : 4
b) 5 : 4
c) 4 : 3
d) Can't be determined
e) None of these
5. The total marks obtained by a student in Physics, Chemistry and Mathematics together is 120 more than the marks obtained by him in Chemistry. What are the average marks obtained by him in Physics and Mathematics together?
a) 60
b) 120
c) 40
d) Can't be determined
Directions (Q.6 - 10): What should come in place of question mark (?) in the following number series?
6. 17, 52, 158, 477, ?, 4310
a) 1433
b) 1432
c) 1435
d) 1434
e) None of these
7. 3, 22, ?, 673, 2696, 8093
a) 133
b) 155
c) 156
d) 134
e) None of these
8. 6, 13, 38, ?, 532, 2675
a) 129
b) 123
c) 172
d) 164
e) None of these
9. 286, 142, ?, 34, 16, 7
a) 66
b) 72
c) 64
d) 74
e) None of these
10. 9, 11, 15, ?, 39, 71
a) 29
b) 23
c) 21
d) 27
e) None of these
Answers:
1. B
2. E
3. E
4. D
5. A
6. C
7. D
8. A
9. E
10. B
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