Quantitative Aptitude - Arithmetic Ability Questions

A batsman makes a score of 95 runs in the 13th match and thus increases his average runs per match by 4. What is his average after the 13th match?

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

If x + y = 12 and xy = 32, then what is the value of  x2 + y2 ?

The marked price of a sofa set is Rs 4800 which is sold at Rs 3672 at two successive discounts. If the first discount is 10%, then what will be the second discount (in %)?

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

Satheesh is two years older than Goutham who is twice as old as Sai. If the total of the ages of Satheesh, Goutham and Sai is 27, then how old is Goutham?

20 boys do one fourth of work in 25 days. How many more boys will be required to complete the remaining work in 50 days?

Ram lent Rs. 6,000/- to Shiva for 3 years and Rs. 8,000/- to Krishna for 5 years at the same rate of simple interest per annum. He got a total interest of Rs. 5,220 from both. Find the rate of interest per annum.