Question
Total population of city P and Q is 2320 and 3150
respectively. If the ratio of number of males to females in city is P and Q is 5:3 and 3:2 respectively, then find the difference between number of males in city P and number of females in city Q.Solution
Number of males in city P = 5/8 x 2320 = 1450 & number of females in city Q = 2/5 x 3150 = 1260 Desired difference = 1450 – 1260 = 190
The speed of ‘A’ and ‘B’ is 50 km/hr and 25 km/hr, respectively. If the distance covered by ‘A’ in ‘x’ hours is 200 km more than that by...
Sunil covered 50% of his journey at 90 km/h and rest at 150 km/h. Determine the average speed of Sunil during the entire journey.
A person crosses a 2400 m long street in 12 min. What is his speed (in km/h)?
Driving at 3/5 of my original speed I am 4 hours late for my office. What is my original time taken (km/h)?
Naveen walking at a speed of 15 km/h reaches his office 20 minutes late. Next time he increases his speed by 5 km/h, but he finds he is still late by 5 ...
Average speed of ‘A’ during a 20-hour journey is 28 km/h. If he covered the first 240 km of his journey at a speed of 20 km/h, then find the speed a...
A car travels at a speed of 60 km/hr for 2 hours and then at 40 km/hr for 3 hours. Find the total distance travelled.
The speed of two cars A and B are in the ratio of 14:19 respectively. Car A travels 15 km less than the car B in the same time duration. What was the di...
A bus was travelling from Jaipur to Udaipur was delayed by 15 minutes and made up for the delay on a section of 85 km travelling with a speed 12 km per ...
Relevant for Exams:
