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1. If 1/3 part of a tank is filled with water, it contains 60 l water. How much water is required for filling the half of the tank?

99 l

120 l

90 l

140 l

2. What will be the area of a circle whose perimeter is 132 cm?

1423 cm^{2}

1223 cm^{2}

1286 cm^{2}

1386 cm^{2}

3. One angle of a right angled triangle is 70°, its other angle is -

24°

25°

27°

20°

4. If 60 men can complete a work in 30 days working 12hrs a day. In how many days will 90 men complete the work, working 8 hr a day?

20 days

27 days

30 days

31 days

5. If 4/5 part of a work is done by 12 men in 15 days, how many men will be require to complete the whole work in 25 days?

10 men

12 men

9 men

11 men