Quantitative Aptitude - Arithmetic Ability Questions

How long does a train, 75 m long, moving at 60 km/hr take to pass a certain telegraph post?

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

Between 200 and 400 how many numbers are divisible by 7?

A mixture of 50 kg of cement and gravel contains 10% of gravel. How many kg of gravel must be added to make the gravel content 28% in the new mixture?

If sin π/6 + sec π/6 = x, then x is

The bus fare between two cities is increased in the ratio 5:11. Find the increase in the fare, if the original fare is Rs. 275.

Visitors to a show were charged Rs. 15 each on the first day, Rs. 7.50 on the second day, Rs. 2.50 on the third day and total attendance on three days were in the ratio 2:5:13 respectively. The average charge per person for the entire three days is

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.