Quantitative Aptitude - Arithmetic Ability Questions

When a number is increased by 18, it becomes 106% of itself. What is the number?

What is the equation of the line passing through the point (-1,3) and having x-intercept of 4 units?

If 13x2 = 172 - 92, find the value of x?

In the given figure, PQRS is a square of side 20 cm and SR is extended to point T. If the length of QTis 25 cm, then what is the distance (in cm) between the centers O1 and O2 of the two circles?

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is

In a mixture, ink and water are in the ratio of 8 : 5. If 24 litres of water is added to the mixture, then the new ratio becomes 8 : 11. What is the total quantity (in litres) of water in the new mixture?

Common factor of 12a4b6, 18a6c2, 36a2b2 is

If Cot θ = 24/7, then what is the value of Sec θ?