Quantitative Aptitude - Arithmetic Ability Questions

3rd January 2018 was a Wednesday. Which of the following years will also have 3rd January on a Wednesday?

If the radius of a circle is decreased to 25% of its original value, calculate the percentage decrease in the area of the circle

On a certain date, Pakistan has a success rate of 60% against India in all the ODIs played between the two countries. They lost the next 30 ODIs in a row to India and their success rate comes down to 30%. The total number of ODIs played between the two countries is

The zeros of the cubic polynomial 2x3-x2-2x+1 are a, b and c respectively. Find a+b+c :

If a-1a=7,then a2+1a2=?

The perimeter of a right-angled triangle is k times the shortest side. If the ratio of the other side to hypotenuse is 4 : 6, then what is the value of k?

After a discount of 23% an article is sold for Rs 1848. What is the marked price (in Rs) of the article?

Average of 11 numbers is 7. If every number is doubled, then what will be the new average of the numbers?