Quantitative Aptitude - Arithmetic Ability Questions

If Sin 31° = xy, then the value of Sec 31° - Sin 59° is

If x+1x=5, then 6xx2+x+1 value is

Circum center of ΔABC is O. If ∡BAC = 75 and ∡BCA = 80 degrees,

then what is the value of ∡OAC(in deg)?

The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is

A and B are 15 kms apart and when travelling towards each other meet after half an hour whereas they meet two and a half hours later if they travel in the same direction. The faster of the two travels at the speed of

The Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is

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

The third proportional of two numbers 4 and 20 is