Quantitative Aptitude - Arithmetic Ability Questions

If a website is selling smartphone at Rs 18,000 which is marked at Rs 25,000, then what is the discount (in %) at which the smartphone is being sold?

Which single discount will be equal to two successive discounts of 12% and 5%?

Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter

What is the value of √121 + √12321 + √1234321 + √123454321?

The age of Rakhi is twelve times that of her daughter Anubha. If age of Anubha is 3 years now, then what was the age of Rakhi, 2 years earlier?

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

What least value which should be added to 1812 to make it divisible by 7, 11 and 14?