Quantitative Aptitude - Arithmetic Ability Questions

Which of the following quadratic equations has real roots?

The ratio of present ages of Ranjini and Shahid is 5:4. After 13 years the ratio of their ages will be 6:5. What is Ranjini's present age?

The percentage change of a number when it is first decreased by 10% and then increased by 10% is

Two cyclists P and Q cycle at 20 km/hr and 16 km/hr towards each other respectively. What was the distance (in kms) between them when they started if they met after 40 minutes?

Weight of Ayush and Abhishek are in the ratio of 6:11. Abhishek's weight increases by 25% and total weight of Ayush and Abhishek both increases by 40%. If total weight becomes 119 kg, then wat is the weight (in kg) of Ayush after the increment?

Given: 6x + 2(6-x) > 2x -2 < 5x/2 - 3x/4; then x can take which of the following values?

If x + 1x = 3, then x18 + x12 + x6 + 1 value is

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