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Twenty four men can do a work in 35 days. How many men are required to complete the work in 21 days? |
If a + b > 0 and a * b < 0, which of the following must be true?
I. a > 0 or b > 0
II. a < 0 or b < 0
III. a and b have the same sign |
Three printing presses, P, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours. How many hours would it take P, working alone at its constant rate, to do the same job? |
what is the value of y if the greatest common divisor of (e+5)!,(e-2)!, and (e+2)! is 24. |
What is the sum of the different positive prime factors of 640? |
If two painters can complete two rooms in two hours, how many rooms painted if 10 painters work for 6 hours? |
A person travels equal distances with speeds of 3km/hr, 6km/hr, 9km/hr. and takes a total time of 11minutes. Find the total distance ? |
5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.45 only. Men’s wages are? |
At a certain company, each employee has a salary grade s that is at least 1 and at most 5. Each employee receives an hourly wage p, in dollars, determined by the formula p = 7.50 + 0.25(s – 1). An employee with a salary grade of 5 receives how many more dollars per hour than an employee with a salary grade of 1? |
A student gets 50% in one subject, 70% in the other. To get an overall of 70% how much should get in third subject. |
A square is drawn inside a right-angled triangle with the two perpendicular sides as 12 cm and 8 cm. what is the side of the largest possible square that can be drawn? |
If (0.2)x = 2 and log 2 = 0.3010, then the value of x to the nearest tenth is: |
A single discount equivalent to the discount series of 20%, 10% and 5% is? |
If 3 persons can do 3 times of a particular work in 3 days, then, 7 persons can do 7 times of that work in |
On the number line, if x is halfway between -8 and 4, and if y is halfway between -2 and 6, what number is halfway between x and y? |
What will come in place of the x in the following Number series? 12, 38, 116, 350, 1052, x |
A car covers a distance of 624 km in 6 ½ hours. Find its speed? |
The ratio 5:20 expressed as percent equals to |
A woman on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The average speed for the first 320 km of the tour is: |
The average (arithmetic mean) of the even integers from 24 to 48 inclusive is how much greater than the average (arithmetic mean) of the even integers from 12 to 24 inclusive? |
The following sets each have a mean of 10 and the standard deviations are given in variable form.
Set I = {7, 8, 9, 11, 12, 13}, standard deviation = A
Set II = {10, 10, 10, 10, 10, 10}, standard deviation = B
Set III = {6, 6, 6, 14, 14, 14}, standard deviation = C
Rank these three standard deviations from least to greatest. |
There are 200 employees in a room. 99% are managers. How many managers must leave the room to bring down the percentage of managers to 98%? |
welve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. Sixteen adults left and four children joined them. How many days will they take to complete the remaining work? |
A father said to his son, "I was as old as you are at present at the time of your birth." If the father's age is 38 years now, the son's age five years back was: |
Kim purchased n items from a catalog for $8 each. Postage and handling charges consisted of $5 for the first item and $1 for each additional item. Which of the following gives the total dollar amount for Kim’s purchase, including postage and handling, in terms of n ? |
If two of the four expressions x+y, x+5y, x-y, and 5x-y are chosen at random, what is the probability T that their product will be of the form of x^2-(by)^2, where b is an integer? |
If x = y+3+4.5x and y = x+17, what is the value of x/y ? |
The greatest number of four digits which is divisible by 15, 24, 40 and 75 is : |
Ashley paid 5 dollars for 1 notebook and 1 pencil. If both prices were integers, how many pencils did Ashley buy if she paid 93 dollars for the pencils and for 15 notebooks? |
The number of female students in a college in the previous year was 480. If in the current year the number of male students in the college doubled over that of the previous year but the proportion of male students halved, then what is the number of female students in the college in the current year? |
There are r red ball, b blue ball and w white ball in a bag. What is the ratio of the number of blue ball to the total no. of ball in terms of r, b and w.? |
A, B and C invest in a partnership in the ratio: 7/2,4/3,6/5. After 4 months, A increases his share 50%. If the total profit at the end of one year is Rs.21,600, then what is B's share in the profit? |
Each student at a certain business school is assigned a 5-digit student identification number. The first digit of the identification number cannot be zero, and the last digit of the identification number must be prime. How many different student identification numbers can the school create? |
A person borrows Rs. 7000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 p.a for 2 years. Find his gain in the transaction per year. |
If 13 = 13w/(1-w) ,then (6w)2 = |
Over a three-week period, the price of an ounce of gold increased by 25% in the first week, decreased by 20% in the following week, and increased by 30% in the third week. If the price of gold was G dollars per ounce at the beginning of the three weeks, what was the price at the end of the three weeks? |
8th Dec 2007 was Saturday, what day of the week was it on 8th Dec, 2006? |
The captain of a cricket team of 11 members is 27 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team? |
If the operation x is defined by a x b = (b - a)^2/a^2 for all numbers a and b, and a ≠ 0, then − 1 x (1 x − 1) = |
A bus leaves the stop 30 minutes before the scheduled time. The driver decreases its speed by 30km/hr. At the next bus stop 180 km away, the bus reached on time. Find the original speed of the bus? |
The inverse ratio of 3: 2: 1 is? |
Look at this series: 4, 2, 1, (1/2), (1/4), ... What number should come next? |
A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 3 runs. His new average is: |
A car is purchased on hire-purchase. The cash price is $21 000 and the terms are a deposit of 10% of the price, then the balance to be paid off over 60 equal monthly instalments. Interest is charged at 12% p.a. What is the monthly instalment? |
Two trains of length 100 m and 200 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 36 kmph and 72 kmph. After how much time will the trains meet? |
If 21/22 = 0.95.45, what is the 57th digit to the right of the decimal point of the fraction? |
16 men can complete a piece of work in 28 days. In how many days can 20 men complete that piece of work? |
John left a job paying $75,000 per year to accept a sales job paying $45,000 per year plus 15 percent commission. If each of his sales is for $750, what is the least number of sales he must make per year if he is not to lose money because of the change? |
The diagonals of a rhombus are 14 cm and 20 cm. Find its area? |
The probability that a visitor at the mall buys a pack of candy is 30%. If three visitors come to the mall today, what is the probability Q that exactly two visitors will buy a pack of candy? |
A train passes a station platform in 36 sec and a man standing on the platform in 20 sec. If the speed of the train is 54 km/hr. What is the length of the platform? |
A dealer offers a cash discount of 20%. Further, a customer bargains and receives 20 articles for the price of 15 articles. The dealer still makes a profit of 20%. How much percent Q above the cost price were his articles marked? |
Three pipes A, B and C can fill a tank from empty to full in 20 minutes, 20 minutes and 30 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes? |
Working simultaneously and independently at an identical constant rate, 4 machines of a certain type can produce a total of x units of product P in 6 days. How many of these machines, working simultaneously and independently at this constant rate, can produce a total of 3x units of product P in 6 days? |
The probability that a number selected at random from the first 50 natural numbers is a composite number is? |
A man's speed with the current is 21 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is? |
A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water? |
After 6 games, team B had an average of 70 points per game. If it got only 47 points in game 7, how many more points does it need to score to get its total above 500? |
18 balls are numbered 1 to 18. A ball is drawn and then another ball is drawn without replacement. What is the probability that both balls have even numbers? |
How many different 4 letter combinations can be created from the letters M,N,O, and P? |
If an integer n is to be chosen at random from the integers 1 to 86, inclusive, what is the probability that n(n + 1)(n + 2) will be divisible by 8? |
A car gets 20 kilometers per gallon of gasoline. How many gallons of gasoline would the car need to travel 130 kilometers? |
When the positive integer j is divided by 9, the remainder is 5. What is the remainder when 3j is divided by 9? |
Out of 250 students of a college, 160 play football, 90 play cricket and 50 neither play football nor cricket. How many students play both football and cricket? |
The ratio of the cost price and the selling price is 4:5. The profit percent is: |
Frederick invested Rs.14000 in a business which he jointly owns with two other persons (James and Greg). If his share of a profit of Rs.1500 is Rs.600 and Greg's share is Rs.300, what is James' capital? |
The probability that A speaks truth is 2/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact? |
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: |
Pipe A can fill a tank in 2 hours. Due to a leak at the bottom, it takes 4 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank? |
Two cars are traveling towards each other. If car A is traveling at a speed of 50 mph and car B is traveling 15% slower, how much time will it take the cars to meet if the initial distance between the two is 705 miles? |
If (A+B) = 4, (B+C) = 9 and (C+D) = 3, what is the value of (A+D)? |
An eccentric casino owner decides that his casino should only use chips in $3 and $7 denominations. Which of the following amount cannot be paid out using these chips? |
If 5^27 * 4^14 = 2 * 10^n, what is the value of n? |
If y is the smallest positive integer such that 31,360 multiplied by y is the square of an integer, then y must be |
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 34 minutes, then the slower pipe alone will be able to fill the tank in |
The average height of 35 boys in a class was calculated as 181cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places).? |
At 6'o clock clock ticks 6 times. The time between first and
last ticks was 30sec. How much time it takes at 7'o clock. |
The cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %? |
If x -5 > -3 and x - 3 < 4, the value of x must be between which of the following pairs of numbers? |
In X game of billiards, X can give Y 20 points in 45 and he can give Z 30 points in 45. How many points can Y give Z in X game of 100? |
A tap can fill a tank in 10 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely? |
How many different number-plates for cars can be made if each number-plate contains four of the digits 0 to 9 followed by a letter A to Z, assuming that repetition of digits is allowed? |
If 216 is divided into four parts proportional to 5, 7, 4, 8 then the smallest part is : |
Murali travelled from city A to city B at a speed of 40 kmph and from city B to city C at 60 kmph. What is the average speed of Murali from A to C given that the ratio of distances between A to B and B to C is 2 : 3? |
Adidas company has four empty trucks that will head out in the morning, all four to the same destination. The clerk has four different boxes to ship to that same destination. All four boxes could go on any one of the trucks, or the boxes could be split up into any groupings and given to the trucks in any combinations (ie. two to one truck, one to another, and one to another). In how many different ways could the boxes be put on the four trucks? |
Mr. John used to purchase certain number of mangoes for $360 Since the price of mangoes is reduced by 10% he got 12 more mangoes today. Find the original price of 130 mangoes. |
A committee of three people is to be chosen from four teacher-student pairs. What is the number of different committees that can be chosen if two people who are married to each other cannot both serve on the committee? |
A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long will work lost? |
In a race of 1000 m, A can beat by 100 m, in a race of 800m, B can beat C by 100m. By how many meters will A beat C in a race of 600 m? |
Joe invested a certain sum of money in a simple interest bond whose value grew to $460 at the end of 3 years and to $560 at the end of another 5 years. What was the rate of interest in which he invested his sum? |
3(1/2) + 5(1/5) + ? + 2(1/4) = 11(1/3) |
A number x is 11 times another number y. The percentage that y is less than x is |
Two persons A and B take a field on rent. A puts on it 21 horses for 3 months and 15 cows for 2 months; B puts 15 cows for 6months and 40 sheep for 7 1/2 months. If one day, 3 horses eat as much as 5 cows and 6 cows as much as 10 sheep, what part of the rent should A pay? |
In the coordinate plane, a circle centered on point (-3, -4) passes through point (-1, 1). What is the area of the circle? |
The cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %? |
If 6 (A's capital) = 8 (B's capital) = 10 (C's capital). Then the ratio of their capitals is? |
Murali travelled from city A to city B at a speed of 40 kmph and from city B to city C at 60 kmph. What is the average speed of Murali from A to C given that the ratio of distances between A to B and B to C is 2 : 3? |
There is a circle of radius 2. What is the perimeter of the biggest rectangle that can be cut out of this circle? |
Yearly subscription to professional magazines cost a company $940.00. To Make a 20% cut in the magazine budget, how much less must be spent? |
24 * 22 = ? / 8 |
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