Quantitative Aptitude - Arithmetic Ability Questions

If x = 4 + √15, then what is the value of [x2 + (1/x2)]?

Find out the wrong number in the following series:

5, 15, 30, 80, 180, 540, 1080

If (x + 1x) = 2, then find the value of (x3 + 1x3) ÷ (x18 + 1x18)

What will be the compound interest earned on an amount of Rs. 5000 in 2 years?

I. The simple interest on the same amount at the same rate of interest in 5 years is Rs.2000.

II. The compound interest and the simple interest earned in one year is the same.

III. The amount becomed more than double on compound interest in 10 years.

If p = 72-72-72-72-.....∞, then find the value of 2p2+1?

The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

Direction: What will come in place of the question mark (?) in the following question?

504÷42x7-63+28 = ?

Which of the following statement (s) is/are TRUE?

I. 4√3 > 3√4

II. 8√2 > 2√8