1.What is Siddarth’s present age?
I.Five years ago, Siddarth’s age was double that of his son’s age at that time.
II.Present ages of Siddarth and his son are in the ratio of 11 : 6 respectively.
III.Five years hence, the respective ratio of Siddarth’s age and his son’s age will become 12 : 7.
A)Only I and II
B)Only II and III
C)Only I and III
D)Any two of the three
E)None of these
2.If P = a% of y and Q = b% of x, then which of the following is true?
A)P is smaller than Q
B)P is greater than Q
C)Relationship between P and Q cannot be determined.
D)If a is smaller than b, then P is greater than Q.
E)None of these
3.If 20% of a = b, then b% of 20 is the same as
A)4% of a
B)5% of a
C)20% of a
D)None of these
4.3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day
must 4 pumps work to empty the tank in 1 day?
5.One pipe can fill a tank three times as fast as another pipe. If together the two
pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the
6.A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and
comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is
7.In what ratio should wheat at Rs. 4.5 per kg be mixed with another variety at Rs. 5.25 per kg so that the mixture is worth of Rs. 5 per kg?
8.The population of town was 24000. If males increase by 6% and females by 9%, it becomes 25620. Number of males and females are
9. What is the length of the longest rod that can be placed in a room 10m long, 6m broad and 4m high?
10. Three solid cubes of edges 3 cm, 4 cm and 5 cm are melted to form a new cube. The edge of the new cube is
A) 9 cm
B) 9.5 cm
C) 6 cm
D) 6.5 cm