Quantitative Aptitude - Arithmetic Ability Questions

If Sin θ = 12/13, then what is the value of Cot θ?

The average weight of Sudesh, Jyothi and Ritu is 89 kg. If the average weight of Sudesh and Jyothi be 98 kg and that of Jyothi and Ritu be 83 kg, then the weight of Jyothi is

What is the simplified value of 22433+393-11253?

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

10 identical solid spherical balls of radius 3 cm are melted to form a single sphere. In this process 20% of solid is wasted. What is the radius (in cm) of the bigger sphere?

A mixture of 240 litres of juice and water contains 15% water. How much more water (in litres) should be added to this so that the strength of water will become 25% in the new mixture?

A sum fetched a total simple interest of Rs. 7728 at the rate of 7% per year in 8 years. What is the sum?

If cosA + cos2A = 1 then the value of sin2A + sin4A is