Quantitative Aptitude - Arithmetic Ability Questions

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

If a+1b=1 and b+1c=1 , then the value of c+1a is

Speed of a boat along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is

In the following question, select the odd word from the given alternatives.

If a + b = 8 and ab =15, then a3 + b3 is

If the number 583_437 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be

AB is the diameter of a circle with center O and P be a point on its circumference. If ∡POA = 120°, then the value of ∡PBO is

If the angle of elevation of the sun decreases from 45° to 30°, then the length of the shadow of a pillar increases by 60m. The height of the pillar is