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If a*b=2a-3b+ab,then3*5+5*3 is equal to
If logx y = 10 and log2 x = 1000, what is the value of y?
What is the sum of this series? 1, 3, 5, 7, 9, ...... 59.
Mark is playing poker at a casino. Mark starts playing with 160 chips, 20% of which are $100 chips and 80% of which are $20 chips. For his first bet, Mark places chips, 10% of which are $100 chips, in the center of the table. If 70% of Mark's remaining chips are $20 chips, how much money did Mark bet?
If a:b = 3:1, then find (a - 3b)/(2a - b)?
How many times will the digit 8 be written when listing the integers from 1 to 1000?
My name is AJEET. But my son accidentally types the name by interchanging a pair of letters in my name. What is the probability that despite this interchange, the name remains unchanged? A. B. C. D.
Six years ago, the ratio of the ages of Vimal and Saroj was 6:5. Four years hence, the ratio of their ages will be 11:10. What is Saroj's age at present?
The remainder when positive integer nn (n>1n>1) is divided by 25 is 1 and the remainder when nn is divided by 7 is also 1. What is the least value of nn?
What is the thousandths digit in the decimal equivalent of 62/5000?
What is the 4 digit number in which the 1st digit is 1/3 of the second, the 3rd is the sum of the 1st and 2nd, and the last is three times the second?
If f(x) = k(x - k) and k is a constant, what is the value of f(3) - f(2), in terms of k?
A and B can do a piece of work in 10 days. With the help of C they finish the work in 3 days. C alone can do that piece of work in?
A sock drawer contains seven socks, each one a different solid color. The colors of the socks are red, orange, yellow, green, blue, indigo, and violet. A person reaches into the drawer, pulls out two socks, and puts a single sock on each foot. If each sock can fit either the left or the right foot, and if it matters wh...
A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3 . Find his average after 17th inning.
Sripad has scored average of 62 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ?
If 3 men or 4 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work?
The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 25 years and the average age of the last three persons is 31 years, then find the age of the person sitting in the middle of the row?
The prices of a scooter and a television set are in the ratio 3 : 2. If a scooter costs Rs. 6000 more than the television set, the price of the television set is ?
An emergency vehicle travels 10 miles at a speed of 50 miles per hour. How fast must the vehicle travel on return trip if the round trip travel time is to be 20 minutes?
What is the difference between the place value and face value of 3 in the numeral 1375?
P can do a piece of work in 18 days and Q can do in 22 days, with the help of C, they finish the work in 6 days. How long will it take R to finish the work?
A man can swim in still water at 12 km/h, but takes twice as long to swim upstream than downstream. The speed of the stream is?
The negative number c is divisible by 2. What is the remainder when dividing 5(7-c)(9+c) by 2?
Kamal will complete work in 20 days. If Suresh is 25% more efficient than Kamal, he can complete the work in --- days.
In a 1000 m race, A beats B by 70 m and B beats C by 100 m. In the same race, by how many meters does A beat C?
A person covered one-fourth of the total distance at 26 kmph and remaining distance at 24 kmph. What is the average speed for the total distance?
The average age of a class of 25 students is 19 years. The average increased by 2 when the teacher's age also included. What is the age of the teacher?
How many of the following numbers are divisible by 132 ? 264, 396, 462, 792, 968, 2178, 5184, 6336
A car takes 4 hours to cover a distance of 540 Km. how much should the speed in Kmph be maintained to cover the same direction in 3/2th of the previous time?
A test has 160 questions. Each question has 5 options, but only 1 option is correct. If test-takers mark the correct option, they are awarded 1 point. However, if an answer is incorrectly marked, the test-taker loses 0.25 points. No points are awarded or deducted if a question is not attempted. A certain group of test-...
Cheese, bologna, and peanut butter sandwiches were made for a picnic in a ratio of 1 to 7 to 8. If a total of 80 sandwiches were made, how many bologna sandwiches were made?
In a class,12 students like to play Basketball and 8 like to play Cricket. 3 students like to play on both Basketball and Cricket. How many students like to play Basketball or Cricket or both?
A patient was given three pills which he is required to take one after every thirty-five minutes. How long can the pills run for him?
A family pays $800 per year for an insurance plan that pays 65 percent of the first $1,000 in expenses and 100 percent of all medical expenses thereafter. In any given year, the total amount paid by the family will equal the amount paid by the plan when the family's medical expenses total.
A train leaves Delhi at 9 a.m. at a speed of 30 kmph. Another train leaves at 2 p.m. at a speed of 40 kmph on the same day and in the same direction. How far from Delhi, will the two trains meet?
A car moves at 92 km/hr. What is the speed of the car in meters per second ?
Each person who attended a company meeting was either a stockholder in the company, an employee of the company or both. If 62 percent of these who attended the meeting were stockholders and 46 percent were employees. What percent were stockholders, who were not employees?
The C.P of 14 books is equal to the S.P of 18 books. Find his gain% or loss%?
The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ Rs. 26.50 per metre is Rs. 8480, what is the length of the plot in metres?
If 10^(x-1)< 0.000125 <10^x, what is the value of an integer x?
Of 90 applicants for a job, 42 had at least 4 years' experience, 54 had degrees, and 8 had less than 4 years' experience and did not have a degree.How many of the applicants had at least 4 years' experience and a degree?
What number is obtained by adding the units digits of 734^99 and 347^83?
A man has Rs. 512 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?
A study group consists of 4 English majors, 6 biological sciences majors, and 5 engineers. In how many ways can 3 English majors, 3 biological science majors and 3 engineers selected from the given group?
If the range T of the six numbers 4,3,14,7,10 and x is 12, what is the difference between the greatest possible value of x and least possible value of x?
A certain car dealership offers its newest model in ten exterior and ten interior colors. If the five interior colors are identical to the ten exterior colors, and the dealership sells every pair of colors except those that would result in a car with an identically colored interior and exterior, how many different colo...
In a soccer bet,we play 4 teams.first team odd 1.25,second 5.23,third 3.25,fourth 2.05.we place the bet with 5.00 euros. how much money we expect to win?
36 men can complete a piece of work in 18 days. In how many days will 81 men complete the same work ?
If the average (arithmetic mean) of 16 consecutive odd integers is 414, then the least of these integers is
A photography dealer ordered 30 Model X cameras to be sold for $250 each, which represents a 20 percent markup over the dealer’s initial cost for each camera. Of the cameras ordered, 6 were never sold and were returned to the manufacturer for a refund of 50 percent of the dealer's initial cost. What was the dealer's ap...
A dishonest shopkeeper professes to sell pulses at the cost price, but he uses a false weight of 980gm. for a kg.His gain is …%.
A sum 's' is divided into 4 parts. second person gets Rs 10 more than first.3rd person is Rs 10 more than second,4th is 10 more than 3rd.how much amount do 1st person get.?
For each hour of production, a certain factory requires 1 assembly line worker for every 10 units to be produced in that hour. The factory also requires 12 managers regardless of the number of units to be produced. Which of the following expressions represents the total number of assembly line workers and managers that...
Two trains each 250 m in length are running on the same parallel lines in opposite directions with the speed of 90 kmph and 70 kmph respectively. In what time will they cross each other completely?
In a chess tournament each of the six players will play with every other player exactly once. How many matches will be played during the tournament?
A train is 360 meter long is running at a speed of 90 km/hour. In what time will it pass a bridge of 140 meter length?
How many 7 in between 1 to 130?
The median annual household income in a certain community of 21 households is $50,000. If the mean W income of a household increases by 10% per year over the next 2 years, what will the median income in the community be in 2 years?
A batsman makes a score of 64 runs in the 16th innings and thus increased his average by 3. Find his average after the 16th inning?
The function F is defined for all positive integers n by the following rule: f(n) is the number of position integer each of which is less than n, and has no position factor in common with n other than 2. If p is any prime number then f(p)=
Monica planned her birthday party. She prepared 5 muffins for each of her guests and kept aside two additional muffins in case someone will want extra. After the party, it turned out that one of the guests didn't come but every one of the guests that did come ate six muffins and 6 muffins remained. How many guests did ...
If the sides of a triangle are 26 cm, 24 cm and 20 cm, what is its area?
The total age of A and B is 10 years more than the total age of B and C. C is how many year younger than
In a certain boys camp, 20% of the total boys are from school A and 30% of those study science. If there are 28 boys in the camp that are from school A but do not study science then what is the total number of boys in the camp?
Tough and Tricky questions: Distance/Rate. On a reconnaissance mission, a state-of-the-art nuclear powered submarine traveled 200 miles to reposition itself in the proximity of an aircraft carrier. This journey would have taken 1 hour less if the submarine had traveled 10 miles per hour faster. What was the average spe...
In how many ways can the letters of the word 'APPLE' be arranged?
There are 400 tigers at a large zoo. The number of tigers is 5 times the number of all the other animals combined. How many more tigers are there than non tigers animals at the zoo?
? + 3699 + 1985 - 2047 = 31111
If x^2 - 4 = 0 and x < 0, which of the following must be equal to 0 ?
On Monday, Kramer purchases exactly 3 new shirts, 2 new sweaters, and 4 new hats, On the following day and each subsequent day thereafter, Kramer wears one of his new shirts together with one of his new sweaters and one of his new hats. Kramer avoids wearing the exact same combination of shirt, sweater, and hat for as ...
A shopkeeper labeled the price of his articles so as to earn a profit of 30% on the cost price. He then sold the articles by offering a discount of 10% on the labeled price. What is the actual percent profit earned in the deal?
Certain sales in December were 50% less than they were in January and 50% greater than they were in Febuary. What was the percentage decrease in the stocks from January to February ?
A disease has infected an ant colony that consists ofworkersandsoldiers: 30% of the soldiers and 14% of theworkerswere infected. If that colony is inhabited by 7000 ants, out of which 1580 are infected, how manyworkersinhabit the colony?
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B?
A certain fruit stand sold jackfruit for $0.70 each and bananas for $0.50 each. If a customer purchased both apples and bananas from the stand for a total of $6.30, what total number of apples and bananas did the customer purchase ?
jeya travels the first 8 hours of her journey at 50 mph speed and the remaining 2 hours at 30mph speed. What is the average speed of jeya's travel in mph?
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively . If they cross each other in 21 seconds, what is the ratio of their speeds?
What is the four-digit number in which the first digit is 1/3 of the second,the third is the sum of the first and second, and the last is three times the second?
If w is a positive integer and 10^w – 74 in decimal notation has digits whose sum is 440, what is the value of w?
A train 400 m long can cross an electric pole in 20 sec and then find the speed of the train?
What is the area of square field whose side of length 15 m?
Find the value of 72519 x 9999=m?
My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 100 years. Can you tell my grandson age in years?
A new ram material product $2.67 raw , $0.67 to manufacture, $4.73 to packing and sell price $9.03. How many unit order sold with profit 44000?
In an election between two candidates, 70% of the voters cast their votes, out of which 4% of the votes were declared invalid. A candidate got 65520000 votes which were 75% of the total valid votes. Find the total number of votes enrolled in that election.
City A to city B, Andrew drove for 1hr at 40 mph and for 3 hours at 60 mph. What was the average speed for the whole trip?
You and your friend spent a total of $15 for lunch. Your friend spent $5 more than you. How much did your friend spend on their lunch?
Machine A produces 100 parts twice as fast as Machine B does. Machine B produces 100 parts in 20 minutes. If each machine produces parts at a constant rate, how many parts does Machine A produce in 8 minutes?
A boy has to cover a total distance of 300 kms. in 6 hours. He travels at the rate of 60 kmph. for first 90 minutes and next 100 kms. at the rate of 50 kmph. At what average speed must he travel now in order to complete the journey in 6 hours?
On Saturday morning, John will begin a camping vacation and he will return home at the end of the first day on which it rains. If on the first three days of the vacation the probability of rain on each day is 0.2, what is the probability that Malachi will return home at the end of the day on the following Monday?
A family has two children. find the probability that both the children are girls given that at least one of them is a girl?
A tap can fill a tank in 16 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
A car gets 30 kilometers per gallon of gasoline. How many gallons of gasoline would the car need to travel 200 kilometers?
In digging a pond 28 m * 10 m * 5 m the volumes of the soil extracted will be?
The lateral surface area of cube is 100 sq.units. find the volume of cube?
A statue is being carved by a sculptor. The original piece of marble weighed 300 kg. In the first week 30 percent is cut away. In the second week 30 percent of the remainder is cut away. In the third week the statue is completed when 15 percent of the remainder is cut away. What is the weight of the final statue?
A can do a job in 12 days and B can do it in 15 days. A and B working together will finish twice the amount of work in days?
A number increased by 20% gives 480. The number is
Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.9 km and 2.1 km respectively. The time taken by the slower train to cross the faster train in seconds is?