Quantitative Aptitude - Arithmetic Ability Questions

The income of P, Q and R are in the ratio of 5 : 4 : 3 respectively and their expenses are in the ratio of 6 : 5 : 4 respectively. If P saves Rs 4000 out of an income of Rs 10000, then what will be the saving (in Rs) of Q?

Δ LMN is right angled at M. If m∠N = 60°, then Tan L =______.

A certain principal is invested in a scheme of compound interest. The amount obtained after 1 year is Rs 2400 and the amount obtained after 2 years is Rs 2880. What is the rate of interest (in percentage)?

If a+1a2 = 3, then the value of a18+ a12+a6 + 1 is

4*(-­0.1(5.5 + 8.5)) of 0.5 = ?

The average monthly salary of 19 members of a group is Rs. 16000. If one more members whose monthly salary is Rs. 20000 has joined the group, then the average salary of the group is

The sum of the digits of a 2-digit number is 8. If we add 36 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?

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