Quantitative Aptitude - Arithmetic Ability Questions

In a week, how many times are the hands of a clock at right angles with each other?

Find the area (in sq.cm) of a semi-circle of radius 7 cm

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

The reciprocal of the sum of the reciprocals of 3/8 and 8/11 is:

7 litres mixture of milk and water contains 30% water. 3.5 litres of milk is added to this mixture. What is the percentage of water in the new mixture?

The value of tan80° tan10° + sin270° + sin20∘

For the data given below. find the sum of mode. median and mean.6, 3, 8, 4, 3, 11, 7, 4, 5, 4.

The average of marks obtained by 100 candidates in a certain examination is 30. If the average marks of passed candidates is 35 and that of the failed candidates is 10, what is the number of candidates who passed the examination?