Quantitative Aptitude - Arithmetic Ability Questions

In the given series of numbers how many 7's are there which are immediately followed by 9 and immediately not preceeded by 5 ?

The area of a rectangle is 120 sq cm and its perimeter 140 cm. What is the length of its diagonal?

Choose the word is least like the other words in the group

What is the rate of interest (in %) if simple interest earned on a certain sum for the 3rd year is Rs 2,000 and compound interest earned in 2 years is Rs 4,160?

If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?

Mahesh buys a watch of Rs 300 and sells it. Mahesh gives two successive discount of 15% and 6% to the buyer. What will be the selling price (in Rs) ofthe watch?

Cost price of 28 articles is equal to Sale price of 21 articles, then percentage of profit is

The average (arithmetic mean) amount of savings of ten students is Rs. 600. Three of the students have no savings at all and each of the others have at least Rs. 250 including Nihar, who has exactly Rs. 1300. The largest amount, in Rs., that any one student could have is