Quantitative Aptitude - Arithmetic Ability Questions

ABCD is a parallelogram in which AB = 7 cm, BC = 9 cm and AC = 8 cm. What is the length (in cm) of other diagonal?

If two successive discounts of 50% and 10% are offered, then what is the net discount (in %)?

Atul can do a piece of work in 18 days, Aaravya is 50% more efficient than Atul. How much more time does Atul take than Aaravya to do the same piece of work?

The largest 5 digit number exactly divisible by 84 is:

tan3A is equal to

What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?

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.

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.