Quantitative Aptitude - Arithmetic Ability Questions

A trader had 12 quintals of wheat. He sold a part of it at 13% profit and the rest at 23% profit, so that he made a total profit of 17 %. How much wheat did he sell at 23% profit?

A person borrows some money for 4 years at the rate of simple interest. If the ratio of principal and total interest is 5 : 1, then what is the rate ( in percentage) of interest?

In Δ ABC, the median AD is 8 cm and CB is 16 cm, measure of angle CAB is_____ .

A book is sold at three successive discounts of 20%, 20% and 10%. What is the net discount (in percentage)?

What is the simplified value of Sec ACot A + Tan A2 ?

What is the value of (1/√2) Cot 45° + (1/√3) Cosec 60°?

The average weight of Shivshankar, Gopesh and Reena is 97 kg. If the average weight of Shivshankar and Gopesh is 93 kg and that of Gopesh and Reena is 82 kg, then the weight of Gopesh is

What is the unit digit of the sum of first 111 whole numbers?