Mathematics

Q181

240 balls are placed in boxes with each having 4 more than the next. Which cannot be value of n?

Q182

A man buys shirts at Rs.80 each and sells them at Rs.100 each. What percentage profit does he make?

Q185

A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area is 680 sq.ft, fencing required is

Q186

A 100 meters long train passes a bridge at 72 km/hr in 25 seconds. What is the length of the bridge?

Q188

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years.

Q189

You need 4/5 cups of water for a recipe. You accidentally put 1/3 cups into the mixing bowl. How much more water do you need?

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