Quantitative Aptitude - Arithmetic Ability Questions

A boy walking at the speed of 4 km/hr covers a certain distance in 6 hours 15 minutes. If he covers the same distance by cycle in 5 hours, then what is the speed (in km/hr) of the cycle?

Raja and Kundan together can build a wall in 20 days, Kundan and Mahesh build the same wall in 30 days and Mahesh and Raja can build the same wall in 24 days. In how many days can all the three complete the same wall while working together?

A sells vegetables at a profit of 35% and for weighing uses a weight which is 10% less than the article weight. What is total profit percentage?

You are given a question and two statements. Identify which of the statements is/are sufficient to answer the question.

Question:

What is the total age of the sisters 10 years from now?

Statements:

1. Lina is 20 years old now.

2. Lina's sister's age is twice that of the age of Lina.

Find the difference between place value and face value of 7 in 589573212.

α and β are the roots of the quadratic equation x2 – x – 1 = 0. What is the value of α8 + β8?

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

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