Quantitative Aptitude - Arithmetic Ability Questions

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

A mini-van crosses two people walking at the speed of 4.8 kmph and 6 kmph in the same direction as that in which the mini-van is heading in 4.5 s and 9 s, respectively. What is the length of the mini-van?

A flask has two holes. The 1st hole alone makes the flask empty in 9 minutes and 2nd hole alone makes the flask empty in 16 minutes. If water leaks out at a constant rate, how long in minutes does it take if both the holes together empty the flask?

Choose the correct option for the figure shown below.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

For real a, b and c if a2 + b2 + c2 = ab + bc + ca, then find the value of a+b+c2.

What is the equation of the line passing through the point (0,­4) and making an angle of ­45° with the positive x­axis?

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