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1.

To cover a distance of 216 km in 3.2 hours, what should be the average speed of the car in metre/ second?

a

67.5 metre/second

b

33.75 metre/second

c

37.5 metre/second/

d

18.75 metre/second

2.

If $x+y=2 z$ then the value of $\frac{x}{x-z}+\frac{z}{y-z}$ is

a

1

b

3

c

$\frac{1}{2}$

d

2

3.

A mason can build a wall in 70 hours. After 7 hours he takes a break. What fraction of the wall is yet to be built?

a

0.9

b

0.8

c

0.5

d

0.75

4.

If 2A = 3B = 5C, what is A : B : C ?

a

2 : 3 : 5

b

5 : 3 : 2

c

6 : 10 : 15

d

15 : 10 : 6

5.

The marked price of a cycle is Rs. 5600. If two successive discounts of 10% and 15% are given, what will be the selling price (in Rs.) of the cycle?

a

4284

b

4200

c

4214

d

4314

6.

Chords AB and CD of a circle intersect externally at P. If AB = 6 cm, CD = 3 cm and PD = 5 cm, then the length of PB is

a

5 cm

b

7.35 cm

c

6 cm

d

4 cm

7.

The average revenues of 7 consecutive years of a company is 75 lakhs. If the average of first 4 years is 70 lakhs and that of last 4 years is 82 lakhs, what will be the revenue for the 4th year ?

a

85 lakhs

b

83 lakhs

c

81 lakhs

d

79 lakhs

8.

After giving 20% discount on an article there is a profit of 20%. What will be the profit per cent when no discount is given?

a

40

b

44

c

54

d

50

9.

If x + y + z = 6, then the value of (x – 1)^{^³} + (y – 2)^{^³} + (z – 3)^{^³} is

a

3 (x – 1) (y + 2) (z – 3)

b

3 (x + 1) (y – 2) (z – 3)

c

3 (x – 1) (y – 2) (z + 3)

d

3 (x – 1) (y – 2) (z – 3)

10.

Vijay is 10% more efficient than Vikas. If Vikas can complete a piece of work in 33 days, Vijay can complete the same work in how many days?

a

25

b

27

c

30

d

36