Aptitude & Logical Reasoning

A can do a piece of work in 10 days and B can do it in 15 days. How many days will they take to finish the work together?

A, B, and C can complete a work in 6, 8, and 12 days respectively. A and B work together for 2 days, then C joins them. How many more days are needed to finish the remaining work?

A train 150m long passes a pole in 15 seconds. How long will it take to pass a platform 300m long?

Two trains start from stations A and B, 300 km apart, at the same time towards each other. Train from A travels at 70 km/h and from B at 80 km/h. Where do they meet from A?

A shopkeeper marks his goods 25% above cost price and gives a discount of 10%. What is his profit percentage?

If the price of a commodity increases by 20%, by how much percent must a consumer reduce his consumption so that his expenditure remains the same?

A man buys a cycle for ₹1400 and sells it at a loss of 15%. What is the selling price?

A trader mixes 26 kg of rice at ₹20/kg with 30 kg of rice of another variety at ₹36/kg and sells the mixture at ₹30/kg. What is his profit percentage?

What is the compound interest on ₹8000 at 15% per annum for 2 years, compounded annually?

A sum of money doubles itself in 8 years at simple interest. In how many years will it treble?

Two numbers are in the ratio 3:5. If each is increased by 10, the ratio becomes 5:7. Find the numbers.

The average age of 30 students is 9 years. When the teacher's age is included, the average becomes 10 years. What is the teacher's age?

The average of 5 consecutive even numbers is 24. What is the largest number?

What is the remainder when 2^100 is divided by 3?

The sum of digits of a two-digit number is 9. When 27 is added to the number, the digits are reversed. Find the number.

In a row of children, Ravi is 7th from the left and Renu is 12th from the right. If they interchange their positions, Ravi becomes 22nd from the left. How many children are in the row?

A clock shows 3:15. What is the angle between the minute hand and the hour hand?

In a company, 40% of employees are in IT, 30% in Finance, 20% in HR, and 10% in Operations. If 120 employees are in Finance, how many are in IT?

In how many ways can 5 boys and 3 girls be seated in a row such that no two girls sit together?

A bag contains 4 red, 3 blue, and 2 green balls. One ball is drawn at random. What is the probability of drawing a red or green ball?