Quantitative Aptitude - Arithmetic Ability Questions

If 11-13xx + 11-13yy + 11-13zz = 5 then what is the value of 1x + 1y + 1z = ?

If x = y + 2 then x3 - y3 - z3 is

A bank offers 5% compound interest per half year. A customer deposits Rs. 3200 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is:

In an ornament the ratio of gold and copper is 3:2. The percentage of gold in the ornament is:

ΔABC is similar to ΔPQR. If ratio of perimeter of ΔABC : perimeter of ΔPQR is 5:9 and if PQ = 45 cm, then the length of AB (in cm) is?

Select the odd word from the given alternatives.

Find out the odd word/letters/number/number pair from the given alternatives.

If a = √2 + 1 and b = √2 - 1, then the value of 1a+1+1b+1 will be