Quantitative Aptitude - Arithmetic Ability Questions

A person lent certain sum of money at 5% per annum simple interest and in 15 years the interest amounted to Rs 250 less than the sum lent. What was thesum lent (in Rs)?

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

If a sum of money doubles itself in 8 yrs, then the interest rate in percentage is ?

Calculate the simple interest if Rs. 1800 is invested for 10 years at a rate of 5% per annum.

What is the mean of the first five Triangular Numbers?

The length of one side and the diagonal of a rectangle are 20 cm and 29 cm respectively. Find the length of its other side (in cm).

If the shopkeeper sells an item at Rs 1000 which is marked as Rs 1250, then what is the discount he is offering?

Find the odd words/letter/number from the given alternatives: