Quantitative Aptitude - Arithmetic Ability Questions

There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 36000 after 2 years at the same rate?

If (8 - 10x) - (13x - 2) = -9, then the value of x is

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 = 0 has infinite number of solutions?

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

What is the equation of the line whose y­-intercept is 4 and making an angle of 45° with the positive x-­axis?

What is the sum of the first 13 terms of an arithmetic progression if the 5th term is 1 and the 8th term is -17?

The arithmetic mean of the marks scored by students of a class is 58. 20% of them secured a mean score of 60. The mean score of another 30% of the students was 40. The mean score of the remaining students is

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