Quantitative Aptitude - Arithmetic Ability Questions

If  x = 2+3,then what is the value of 2x + 12x ?

Two circles touch externally. The sum of their areas is 130π sq.cm and the distance between their centers is 14 cm. The radius of the bigger circle is

The sum of three numbers is 2, the 1st number is 1/2 times the 2nd number and the 3rd number is 1/4 times the 2nd number. The 2nd number is

What is the least number that should be added to the product 11 x 12 x 13 x 14 to make it a perfect square?

ΔABC is right angled at B. If m∠A = 45 deg, then find the value of (tanC + √3/2).

The standard deviation of the set {10, 11, 12, 9, 8} is

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

In a triangle PQR, ∠PQR = 90 deg, PQ = 10 cm and PR = 26 cm, then what is the value (in cm) of inradius of incircle?