What is the cost  of flooring the rectangular hall ?

I. Length of the rectangle is 6 meters.

II. Breadth of the rectangle is two-third of its length.

III cost of flooring the area of 100cm² is INR 45/-

What is the amount invested in scheme ‘B’?

I. The amounts invested in schemes ‘A’ and ‘B’ are in the ratio of 2:3 respectively.

II. Amount invested in scheme ‘A’ is 40% of the total amount is invested.

III Amount invested in scheme ‘A’ is INR 45,000/-

How many students passed in the first class ?

I. 85% of the students who appeared in examination have passed either in first class or in second class or in pass class.

II. 750 students have passed in second class.

III Number of students passed in pass class is 28% of those passed in second classs.

what is the rate of interest p.c.p.a?

I. Difference between the compound interest and simple interest earned in two years on the amount invested is INR 100/-

II. The amount becomes INR 19,500/- in three years on simple interest.

III. Simple interest accured in two years on the same amount at the same rate of interest is INR 3,000/-

A shopkeeper labeled the price of his articles so as to earn a profit of 30% on the cost price. He then sold the articles by offering a discount of 10% on the labeled price. What is the actual percent profit earned in the deal?

Amit and Sujit together can complete an assignment of data entry in 5 days. Sujit’s speed is 80% of Amit’s speed and the total key depressions in the assignment are 576000. What is Amit’s speed in key depressions per hour if they work for 8 hours a day ?