In a single throw of a dice, what is the probability of getting a number greater than 3?

If radius of a sphere is decreased by 48%, then by what percent does its surface area decrease?

While selling an article, a shopkeeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs.15 less as profit. The marked price of the article is -

Simplify the following expression.

 25-(4÷2)+11.5+9.5

Direction: Study the line graph carefully to answer the following questions.
Line graph shows the production (in thousand units) and percentage of exported mobiles, computers and laptops.

Find the total number Mobiles exported in the year 2011, 2013 and 2015 together? 

The lengths of the lengths placed on the sides of a point inside an equilateral triangle are 6 cm, 8 cm and 10 cm. What is the area of the triangle?

Ram sells two articles, each for the same price Rs.720. He incurs 20% loss on the first and 10% loss on the second. Find his overall percent loss.

A container in the shape of a frustum of a cone having diameters of its two circular faces as 35 cm. and 30 cm and vertical height 14 cm. is completely filled with oil. If each cm3 of oil has mass 1.2g, then find the cost of oil in the container if its costs Rs. 40 per kg.