An aeroplane flies along the four sides of a square at the speeds of 200, 400, 600 and 800km/hr. Find the average speed of the plane around the field?
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A car is moving at the speed of 60 km per one hour. What is the time elapsed after traveling 130 km?
A wholesaler allows a discount of 20 % on the list price to the retailer. The retailer sells at 5% below the list price. If the customer pays Rs.19 for an article what profit is made by the retailer on it?
The sum of 3rd and 15th elements of an arithmetic progression is equal to the sum of the 6th, 11th and 13th elements of the same progression. Then, which element of the series should necessarily be equal to zero ?
A starts a business with Rs.40,000. After 2 months, B joined him with Rs.60,000. C joined them after some more time with Rs.120,000. At the end of the year, out of a total profit of Rs.375,000, C gets Rs.150,000 as his share. How many months after B joined the business, did C join?
A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing.
Which of the following is the equation of a line that goes through the point (10,5) and has an x-intercept of 5.
Bill owns a large collection of fishing lures consisting of small, medium, and large lures that weigh 3, 4, and 5 grams each, respectively. If the product of the lure weights that Bill sold to his friend is 216,000 grams, how many medium lures did he sell?
In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined, what percent of the machine parts were defective?
Glenn gains 10% from selling her scarf at $44. Her mom tells her she'll buy it from her but only after a family discount of 5%. What is Glenn's gain percent if she sells the scarf to her mom?
Calculate the maximum distance you can travel with $8.50 on a cab which charges $3.50 for the first quarter-mile and 10 cents for each additional quarter mile.
A builder has to pour a concrete slab 12 centimeters thick to cover an area 10 meters long and 2 meters wide. How many cubic meters of concrete will the builder need?
At an elite baseball camp, 60% of players can bat both right-handed and left-handed. If 1/3 of the players who bat left-handed do not bat right-handed, what is the probability that a player selected at random does not bat left-handed?
Jack buys 18 sharpeners (white and brown) for rs. 100. If he pays 1 rupee more for each white than brown sharpeners. How many of white and how many brown sharpeners did he buy?
A man walks at 5 kmph for 6 hrs and at 4 kmph for 12 hrs. His average speed is
A sales person gets a 10% commission on each sale he makes. How many sales of $250 each must he make in order to reach a salary of at least $1000?
A retailer sold an appliance for 40 percent above cost, which represented a gross profit of $20.00. For what price did the retailer sell the appliance?
A starts travel towards south 3km, then travel 5 km towards east, and again travels 3 km to north, and finally travels 2km towards west. In the end how far from is A from home?
There is well of depth 30m and frog is at bottom of the well. He jumps 3m up one day and falls back 2m down the same day. How many days will it take for the frog to come out of the well?
Which is a longer period of time: 3 hours or 175 minutes?
A company produces 420 units of a particular computer component every month, at a production cost to the company of $110 per component, and sells all of the components by the end of each month. What is the minimum selling price per component that will guarantee that the yearly profit (revenue from sales minus production costs) will be at least $626,400 ?
The average age of the first seven people to arrive at Nikhil’s birthday is 21. When Vijay (29) arrived, the mean age is increased to 22. Marry (also 29) arrived next. The tenth and last person to arrive at Nikhil's party is Nikhil himself, and the mean age increased to 30 years. How old is Nikhil on his birthday?
What is the sum of three consecutive integers whose product can be expressed as 727+728+729.
x men working x hours per day can do x units of a work in x days. How much work can be completed by y men working y hours per day in y days?
John needs to mix a cleaning solution in the following ratio: 1 part bleach for every 4 parts water. When mixing the solution, John makes a mistake and mixes in half as much bleach as he ought to have. The total solution consists of 36 ml. How many ml of bleach did John put into the solution?