2811: A rectangular piece of iron sheet measuring 50 cm by 100 cm is rolled into a cylinder of height 50 cm. If the cost of painting the cylinder is Rs. 50 per square metre, then what will be the cost of painting the outer surface of the cylinder ?

(a) Rs. 25.00
(b) Rs. 37.50
(c) Rs. 75.00
(d) Rs. 87.50
2812: Consider the following pairs:

Traditions - Communities

1. Chaliha Sahib Festival - Sindhis
2. Nanda Raj Jaat Yatra - Gonds
3. Wari-Warkari - Santhals

Which of the pairs given above is/are correctly matched?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) None of the above
2813: Which of the following gives Global Gender Gap Index ranking to the countries of the world?

(a) World Economic Forum
(b) UN Human Rights Council
(c) UN Women
(d) World Health Organization
2814: If A = x2 - y2. B = 20 and x + y = 10, then
(a) A is greater than B
(b) B is greater than A
(c) A is equal to B
(d) It is not possible to compare A and B as the data provided is inadequate
2815: A merchant wants a gross profit of 25 per cent on the sales. Thus the percentage he should add to the cost price will be:

(a) 25 per cent

(b) 33 per cent

(c) 66 per cent

(d) 75 per cent