Quantitative Aptitude - Arithmetic Ability Questions

The perimeter of an isosceles triangle is 32 cm and each of the equal sides is 5/6 times of the base. What is the area (in cm2 ) of the triangle ?

A student multiplied a number by 3/10 instead of 10/3. What is the percentage error in the calculation?

A can do a work in 21 days and B in 42 days. If they work on it together for 7 days, then what fraction of work is left?

A sum of Rs 2489 is divided among A, B and C such that if Rs 12, Rs 12 and Rs 5 be diminish from the shares of A, B and C respectively, then theirshares will be in the ratio of 5 : 3 : 4. What is the new share (in Rs) of C?

When 0.090909.....is converted into a fraction, then the result is

Arrange the fractions 34,512,1316,1629,38 in their ascending order of their magnitude?

If ABCDEF is a regular hexagon, then what is the value (in degrees) of ∠ADB?

Select the odd letters from the given alternatives.