Quantitative Aptitude - Arithmetic Ability Questions

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

What is the quotient when 1359 is divided by 48?

If 3x + 2 < 2x + 1 and x ­- 4 ≤ 2x -­ 1; then x can take which of the following values?

The distance between the points (11,­5) and (k,0) is 13. Find k.

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.

A sum of Rs 4000 becomes Rs 5800 in 3 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

If PA and PB are tangents to the circle with centre O such that ∠APB=50°, then the ∠OAB=

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is