A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

• 20 

• 24 

• 30 

• 35 

39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?

• 10 
• 13 
• 11 
• 15 

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?

• 9 
• 10 
• 11 
• 12 

If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?

• 48 paise 

• 54 paise 

• 56 paise 

• 72 paise 

Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

• 648 
• 1800 
• 2700 
• 10800 

The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:

• 15 
• 16 
• 18 
• 20 

The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

• 76 kg 
• 76.5 kg 
• 85 kg 
• Data inadequate 

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

• 6.25 
• 6.5 
• 6.75 
• 7 

If one-third of one-fourth of a number is 15, then three-tenth of that number is:

• 35  
• 36
• 45
• 54

A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:

• 18 

• 24 

• 42 

• 81