Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd letter/letters from the given alternatives.

If 1 = 2, 3 = 6, 4 = 8, and + = -, what would be the value of 41 + 34 + 13 = ?

One internal angle of a rhombus of side 12 cm is 120°. What is the length of its longer diagonal?

The diagonals are not perpendicular in a _____.

Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.

If M = (3/7) ÷ (6/5) × (2/3) + (1/5) × (3/2) and N = (2/5) × (5/6) ÷ (1/3) + (3/5) × (2/3) ÷ (3/5), then what is the value of M/N?

Select the odd letters from the given alternatives.

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