Quantitative Aptitude - Arithmetic Ability Questions

The marked price is 10% higher than the cost price . A discount of 10% is given to the marked price . In this kind of sale the seller

There is a three digit number. The digit at the tenth place is 3. If the place of all the digits are replaced with each other symmetrically about the tens position,then the new number obtained is 396 more than the original three digit number. The sum of the digits at unit & hundredth place is 14. Find out the original number?

Δ DEF is right angled at E. If m∠D = 30°, what is the length of DE (in cm), if EF = 6√3 cm?

What is the value of 1+aa1/2+a-1/2-a1/2+a-1/21+a+a-1/2 ?

What is the fourth proportional to 72, 168 and 150?

In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm, BR = 4 cm, PB = 6 cm, PA = 5 cm and AD = 3 cm. What is the area in sq.cm of the quadrilateral ABCD?

P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.

There are three bottles of mixture of syrup and water of ratios 2:3, 3:4 and 7:5. 10 Litres of first and 21 Litres of second bottles are taken. How much quantity from third bottle is to be taken so that final mixture from three bottles will be of ratios 1:1.