Quantitative Aptitude - Arithmetic Ability Questions

If a : b = c : d = 1 : 6, then what is the value of a2+c2b2+d2?

M is thrice as good as workman as N and together they finish a piece of work in 30 days. In how many days will M alone finish the work?

Pannalal has done 1/3rd of a job in 20 days, Saiprasad completes the rest of the job in 10 days. In how many days can they together do the job?

Rs 3200 is divided among A, B and C in the ratio of 3 : 5 : 8 respectively. What is the difference (in Rs) between the share of B and C?

If A is 6 times more than B, then by what percentage is B is less than A?

What is the value of sin225°+ sin265°?

If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey.

Find the HCF of 865 and 2595.