Quantitative Aptitude - Arithmetic Ability Questions

The product of two decimals is 0.768. If one of the decimal number is 1.6, find the other.

Which of the following condition is sufficient to state that triangle ABC and DEF are similar?

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

Find the area (in cm²) of a semi-circle of radius 21 cm.

What is the value of 2sec2A?

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).

The value of a machine depreciates at the rate of 20% per annum. If its present value is Rs 96000, then what was the value (in Rs) of the machine 2 years ago?

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