Quantitative Aptitude - Arithmetic Ability Questions

In triangle ABC, O is the orthocenter and angle BOC is 120 deg. Calculate angle BAC.

ΔABC is similar to ΔDEF. If the ratio of similar sides is K:1, the ratio of their areas is

In a mixture, sugar and milk are in the ratio 4 : 5. If 7 litres of milk is added to it, then the ratio of sugar and milk in the new mixture becomes 2 : 3. What is the total quantity (In litres) of sugar in new mixture?

At 8% simple interest per annum a sum of money becomes Rs. 300 in 2.5 years. What was the sum invested?

Select the odd number from the given alternatives.

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

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?