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If a code word is defined to be a sequence of different letters chosen from the 10 letters A, B, C, D, E, F, G, H, I, and J, what is the ratio of the number of 8-letter code words to the number of 6-letter code words?
Donald plans to invest x dollars in a savings account that pays interest at an annual rate of 8% compounded quarterly. Approximately what amount is the minimum that Donald will need to invest to earn over $100 in interest within 6 months?
How many paying stones, each measuring 2 1/2 m * 2 m are required to pave a rectangular court yard 30 m long and 16 1/2 m board?
If 30% of a class averages 95% on a test, 50% of the class averages 79% on the test, and the remainder of the class averages 60% on the test, what is the overall class average? (Round final answer to the nearest percent).
A merchant marks goods up by 75% and then offers a discount on the marked price. The profit that the merchant makes after offering the discount is 5%. What % discount did the merchant offer?
1!+2!+3!+4!+5!+.100! is divided by 24. Find the remainder from this?
A train running at the speed of 120 km/hr crosses a pole in 9 seconds. Find the length of the train.
HOW MANY KGS OF TEA WORTH RS.25/KG MUST BE BLENDED WITH 30 KGS OF TEA WORTH RS.30/KG SO THAT BY SELLING THE BLENDED VARIETY AT RS.30/KG THERE SHOULD BE A GAIN OF 5%
judith is practicing her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, judithis standing on the 6th position from either end of the row. Can you find out how many girls are practicing together?
A bus leaves Los Angeles at 7:00 a.m. traveling north at 80 miles per hour. At 12:00 p.m. a plane leaves Los Angeles traveling north at 380 miles per hour. At what time will the plane overtake the bus?
The first three terms of a proportion are 3, 9 and 12. The fourth term is?
If 5x + 3 = 10x – 17, what is the value of x?
Mike earns $14 per hour and Phil earns $7 per hour. Approximately how much less, as a percentage, does Phil earn than Mike per hour?
A certain amount earns simple interest of Rs. 1200 after 10 years. Had the interest been 2% more, how much more interest would it have earned?
X and Y run a 100m race,where X beats Y by 20 m. To do a favor to Y, X starts 10m behind the starting line in a second 100m race. Both run at the same previous speed. Which of the following is true?
By selling a house for Rs.45000, it was found that 1/8 of the outlay was gained, what ought the selling to price to have been in order to have lost 5 p.c?
Hitesh is 40 years old and Ronnie is 60 years old. How many years ago was the ratio of their ages 3 : 5?
If ab represents a positive two digit number, where a and b are single digit integers, which of the following cannot be true?
If n is a positive integer, what is the remainder when (7^(3n+3))(6^n) is divided by 10?
The weights of three boys are in the ratio 4 : 5 : 6. If the sum of the weights of the heaviest and the lightest boy is 47 kg more than the weight of the third boy, what is the weight of the lightest boy?
Find the area of a parallelogram with base 21 cm and height 11 cm?
Find the value of 1/(3+1/(3+1/(3-1/3)))
X starts a business with Rs.45000. Y joins in the business after 3 months with Rs.30000. What will be the ratio in which they should share the profit at the end of the year?
Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?
On average, the boys in the class have 56 pens and the girls have 32 pens. If the overall class average is 41 pens, what is the ratio of boys to girls in the class?
Ms. Martha invested in Fund W and Fund B. The total amount she invested, in both funds combined, was $100,000. In one year, Fund W paid 23% and Fund B paid 17%. The interest earned in Fund B was exactly $200 greater than the interest earned in Fund W. How much did Ms. Morris invest in Fund W?
In a class there are 20 boys and 25 girls. In how many ways can a boy and a girl be selected?
A pharmaceutical company received $3 million in royalties on the first $20 million in sales of and then $9 million in royalties on the next $108 million in sales. By approximately what percentage did the ratio of royalties to sales decrease from the first $20 million in sales to the next $104 million in sales?
A man can do a piece of work in 10days, but with the help of his son, he can do it in 4 days. In what time can the son do it alone?
A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident
In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 80 questions and secures 120 marks, How many questions does he answer correctly?
There are 50 students in a class. If 6% are absent on a particular day, find the number of students present in the class.
A 7" cube is painted in all its faces and then it is cut down into 1" blocks. How many 1" blocks are there even without a single face being painted?
The capacity of a tank of dimensions (8m x 6m x 2.5m)is
Meg and Bob are among the 7 participants in a cycling race. If each participant finishes the race and no two participants finish at the same time, in how many different possible orders can the participants finish the race so that Meg finishes ahead of Bob?
At Deluxe paint store, Fuchsia paint is made by mixing 5 parts of red paint with 3 parts of blue paint. Mauve paint is made by mixing 3 parts of red paint with 5 parts blue paint. How many liters of blue paint must be added to 24 liters of Fuchsia to change it to Mauve paint?
A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered.If the area of the field is 400 sq.ft, how many feet of fencing will be required ?
Find the value of 3/11 × [(1 + 1/3) (1 + 1/4) …………. (1 + 1/120)] is ?
The CI on Rs. 30,000 at 7% per year is Rs. 4347. The period is?
The ratio of the present ages of P and Q is 3:4. 5 years ago, the ratio of their ages was 5:7. Find the their present ages?
A train passes a man standing on the platform. If the train is 60 meters long and its speed is 72 kmph, how much time it took in doing so?
If PINTU is coded as 79523 in a certain code language, how would you code DUMBO in the same language?
The H.C.F of two numbers is 11 and their L.C.M is 7700. If one of the numbers is 275, then the other is:
A delegation of 5 members has to be formed from 3 ladies and 5 gentlemen. In how many ways the delegation can be formed, if 2 particular ladies are always included in the delegation?
Two trains travel in opposite directions at 36 kmph and 45 kmph and a man sitting in slower train passes the faster train in 16 seconds. The length of the faster train is
Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 4}.Find A'
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 = 11.50 + 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?
At steel factory, each employee working the second shift produced 2/3 as many widgets as each employee working the first shift. If the first shift has 3/4 as many employees, what fraction of the total widgets did the second shift produce?
A space shuttle orbits the earth at about 6 kilometers per second. This speed is equal to how many kilometers per hour?
What approximate value should come in place of the question mark (?) in the following equation?50.02 × 12.65 – 37.50 × 10.55 = (50 + ?) × 4
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is ?
A coin is tossed live times. What is the probability that there is at the least one tail?
A 10 meter long wire is cut into two pieces. If the longer piece is then used to form a perimeter of a square, what is the probability that the area of the square will be more than 4 if the original wire was cut at an arbitrary point?
Jim’s Taxi Service charges an initial fee of $2.25 at the beginning of a trip and an additional charge of $0.35 for each 2/5 of a mile traveled. What is the total charge for a trip of 3.6 miles?
Two friends Simpson & Stewie decide to get together So they start driving cars towards each other. They plan to meet halfway. Each is riding at 6 Km/hr. They live 36 kms apart. Stewie has a pet "eagle" and it starts flying the instant they start traveling. The eagle flies back and forth at 18 Km/hr between them until t...
Two years ago, Arthur gave each of his five children 20 percent of his fortune to invest in any way they saw Fit. In the first year, three of the children, Alice, Bob, and Carol, each earned a profit of 50 percent on their Investments, while two of the children, Dave and Errol, lost 40 percent on their investments. In ...
If 300!/10^n is an integer, what is the largest possible value of n?
A train running at the speed of 60 km/hr crosses a pole in 12 seconds. What is the length of the train?
If a certain manager had received a 12.5% raise instead of the 8% raise that she actually received, her salary would have been $60,500. What was her actual salary after the raise?
To complete a work A and B takes 8 days, B and C takes 12 days, A,B and C takes 6 days. How much time A and C will take
Barbata invests $1400 in the National Bank at 5%. How much additional money must she invest at 8% so that the total annual income will be equal to 6% of her entire investment?
The ratio of the length and the width of a rectangle is 4 : 3 and the area of the rectangle is 6348 sq cm. What is the ratio of the width and the area of the rectangle?
What is the place value of 3 in the numeral 3259
The radius of a cylindrical vessel is 7cm and height is 3cm. Find the whole surface of the cylinder?
If 175*s is a perfect square then s can be which of the following numbers?
Sales price is $54, gross profit is 125% of cost, what is the value of gross profit?
10 books are placed at random in a shelf. The probability that a pair of books will always be together is -.
A,B and C are brothers . D is A's father while G is B's son. Which of the following statements is definitely true ?
A positive number when decreased by 4 is equal to 21 times the reciprocal of the number. The number is
The average wages of a worker during a fortnight comprising 15 consecutive working days was $90 per day. During the first 7 days, his average wages was $87 per day and the average wages during the last 7 days was $93 per day. What was his wage on the 8th day?
Solve the equation for x : 8x - 40 + 2x = 5 + 10 - x
1!+2!+3!+4!+5!+..100! is divided by 24. Find the remainder?
Three clocks were set to true time and starts to run together, makes a beep sound at intervals of 8,10 and 12 minutes respectively. In 2 days, how many times do they will make the sound together ?
Suganya and Suriya are partners in a business. Suganya invests Rs. 35,000 for 8 months and Suriya invests Rs.42,000 for 10 months. Out of a profit of Rs.30,570. Suganya's share is
There are three vessels of equal capacity .Vessel A contains Milk and water in the ratio 12:10 ;Vessel B contains Milk and water in the ratio 2:1 and Vessel C contains Milk and water in the ratio 3:2 .If the mixture in all the three vessels is mixed up.What will be the ratio of milk and water ?
How many multiples of 5 are there between 5 to 95?
2^x +2* 2^-x = 4 What is the value of x?
A sum of Rs.3800 is invested at a compound interest for three years, the rate of interest being 10% p.a., 20% p.a. and 25% p.a. for the 1st, 2nd and the 3rd years respectively. Find the interest received at the end of the three years.
Rs. 6000 is lent out in two parts. One part is lent at 6% p.a simple interest and the other is lent at 10% p.a simple interest. The total interest at the end of one year was Rs. 450. Find the ratio of the amounts lent at the lower rate and higher rate of interest?
Two mechanics were working on your car. One can complete the given job in six hours, but the new guy takes 9 hours. They worked together for the first two hours, but then the first guy left to help another mechanic on a different job. How long will it take the new guy to finish your car?
P is four times as old as Q, and Q is five years older than R. If R is z years old, what is P’s age in terms of z?
From among the 31 students in a class, one leader and one class representative are to be appointed. In how many ways can this be done?
A person is traveling at 20 km/hr and reached his destiny in 8 hr then find the distance?
In how many ways can 6 apples (identical) be distributed among 5 children? (Some children may get no apples.)
If Teena is driving at 55 miles per hour and is currently 7.5 miles behind Joe, who is driving at 40 miles per hour in the same direction then in how many minutes will Teena be 52.5 miles ahead of Joe?
What is the rational number for recurring decimal 0.890890890.... ?
If each side of a rectangle is increased by 100%, by what % the area increases?
A man saves Rs 250 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years.
If Bill can buy 3 pairs of jeans and 2 shirts for $69 or 2 pairs of jeans and 3 shirts for $86, how much does one shirt cost?
If x/y = 2/z, then 5x^2 =
P, Q and R can do a work in 20, 30 and 60 days respectively. How many days does it need to complete the work if P does the work and he is assisted by Q and R on every third day?
If the LCM of two integers P, Q (where Q> P and P>1) is P*Q, then which of the following can not be true?
A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
In the biology lab of "Jefferson" High School there are 6.48*10^6 germs, equally divided among 10,800 Petri dishes. How many germs live happily in a single dish?
Of the science books in a certain supply room, 41 are on botany, 65 are on zoology, 90 are on physics. 50 are on geology, and 100 are on chemistry. If science books are removed randomly from the supply room, how many must be removed to ensure that 80 of the books removed are on the same science?
Tom read a book containing 480 pages by reading the same number of pages each day. If he would have finished the book 2 days earlier by reading 16 pages a day more, how many days did Tom spend reading the book?
If 625(5^x) = 1 then x=
Ten years ago, P was half of Q's age. If the ratio of their present ages is 3:4, what will be the total of their present ages?
(2^2+4^2+6^2+.....+40^2)=?
Using all the letters of the word "THURSDAY", how many different words can be formed?