Quantitative Aptitude - Arithmetic Ability Questions

A 600 metres long train is running at the speed of 81 km/hr. If it crosses a platform in 40 seconds, then what is the length of the platform (in metres)?

A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?

The simple and compound interest that can be earned in two years at the same rate is Rs 1,000 and Rs 1,040 respectively. What is the rate (percent per annum) of interest?

Select the odd word/letters/number/number pair from the given alternatives.

40.36 ­- (9.347 -­ x ) -­ 29.02 = 3.68. Find x.

The average of 8 consecutive integers is 23/2. What is the average of first three integers?

Select the odd letters from the given alternatives.

Present age of Anil and Rajesh are in the ratio of 11 : 6 respectively. 9 years ago, their ages were in the ratio of 7 : 3. If the Pankaj’s present age is 1/4 of the Anil’s present age, then what is the Pankaj’s present age (in years)?