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18.the cost in $ of manufacturing x fridges is 9000+400x . the amount received
when selling these x fridges is 500x $ , what is the least no of fridges that must
be manufactured & sold so that the amount received is at least equal to the
manufacturing cost.
a. 10 b.18 c.15 d.90 ans. d
19.the sides of the right triangular field containing the right angle are x &x+10. its
area is 5500sq.m.the equation to determine is
a. x(x+10)=5500 b. x(x+10)=2750 c. x(x+10)=11000 d. x(x+20)=5500
ans.c
20.the length and breadth of a rectangular plot are in the ratio of 7:5. if the length
is reduced by 5 m& breadth is increased by 2 m then the area is reduced by 65
sq.m. the length and breadth of the rectangular plot are
a.25,35 b.21,15 c.35,25 d.49,35 ans.c
21. 6 men earn as much as 8 women ,two women earn as much as 3 boys&4
boys earn as much as 5 girls . if a girl earns RS.50 a day then the earning of the
man would be
a.115 b.125 c.135 d.150 ans.b
22.a & b can separately do a piece of work in 10 & 15 days respectively. They
work together for sometimes and b stops. If a completes the rest of work in 5
days ,then b has worked for
a.5 b.4 c.3 d.2 (days). Ans.c
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23.the question using the data from the table
the table had the details of population ,birth per 1000 populations, deaths per
1000 population, percentage of population etc, for different countries.
1. which country had the highest no. of people aged 60 or over
Ans. A
2. how many like births occurred in 1985 in Spain and Italy .Ans C
3. what was the net effect on the UK population of like birth and death rates in
1985. ans B
Next was a quest from the data from the graph
Graph related to production in 1000 of month
Ans: 1.D 2.D 3.C
Then there was a question relative to the diagrams following logical diagrams
From Edward Thorpe
Ans: 30. D 31. B 32. D 33. A 34. B 35. D
C QUESTIONS:
Briefcase ]
1. Struct x
{
int i;
char c;
}
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