Quantitative Aptitude - Arithmetic Ability Questions

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

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?

If O is the orthocentre of a triangle ABC and ∠BOC = 100°, the measure of ∠BAC is

In the given figure, two squares of sides 8 cm and 20 cm are given. What is the area (in sq.cm) of the shaded part?

What is the value of tan4A + tan2A?

When a number is increased by 69, it becomes 103% of itself. What is the 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?

Rs. 782 is divided into 3 parts in the ratio 12:23:34, the first part is