Quantitative Aptitude - Arithmetic Ability Questions

If tan A = 1/2 and tan B = 1/3, then what is the value of tan (2A + B)?

The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

Find the greatest length which can be used to measure exactly three cloth pieces of lengths 1.26 m, 1.98 m and 1.62 m respectively.

Find the odd word/letters/number from the given alternatives.

Find the odd word/letters/number pair from the given alternatives.

In a mixture, water and milk are in the ratio of 3 : 5. In the second mixture, the ratio of water and milk is 9 : 11. If these two mixtures be mixed to form anew mixture in which water and milk are in ratio 5 : 7, then what is the ratio of these two mixtures in the new mixture?

If A = 11x2+11x4+12x3+14x7+13x4+17x10... upto 20 terms, then what is the value of A?

Three toys are in a shape of cylinder, hemisphere and cone. The three toys have same base. Height of each toy is 2√2 cm. What is the ratio of the total surface areas of cylinder, hemisphere and cone respectively?