Quantitative Aptitude - Arithmetic Ability Questions

Choose the correct option for the figure shown below.

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

In ΔABC measure of angle B is 90 deg. If tanA = 15/8, and AB = 0.8 cm, then what is the length (in cm) of side AC?

10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?

Average age of 5 students of a school is 14 years. The average age of students and their Mathematics and science teachers is 30 years. If the age of science teacher is 6 years more than the age of Mathematics teacher, then what is the age (in years) of Mathematics teacher?

97 x 97 = ?

What is the sum of the first 11 terms of an arithmetic progression if the first term is -31 and last term is 29?

Choose the one which is different or odd from the following options?