The average between a two digit number and the number obtained by interchanging the digits is 9. What is the difference between the two digits of the number?

Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job

The population of a town was 1,60,000 three

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A house wife saved $ 2.50 in buying an item on sale .If she spent $ 25 for the item ,approximately how much percent she saved in the transaction ?

Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank

A man can row upstream at 8 km/h and downstream at 13 km/h.The speed of the stream is?

69: 1, 5, 14, 30, ?, 91

ATP stands for:

The cost of 16 packets of salt,each weighing 900 grams is N28.What will be the cost of 27 packets ,if each packet weighs 1Kg?

How many of the following numbers are divisible by 132 ? 264, 396, 462, 792, 968, 2178, 5184, 6336

There are 3 triplet brothers. They look identical. The oldest is John, he always tells the truth. The second is Jack, he always tells a lie. The third is Joe, he either tells the truth or a lie. Jimmie Dean went to visit them one day. He was wondering who was who. So he asked each person a question. He asked the one who was sitting on the left: “Who is the guy sitting in the middle?”. The answer was “He is John.” He asked the one who was sitting in the middle: “What is your name?”. The answer was “I am Joe.” He asked the one who was sitting on the right: “What is the guy sitting in the middle?”. The answer was “He is Jack.” Jimmie Dean got really confused. Basically, he asked 3 same questions, but he got 3 different answers. which is not true?

If the value of x lies between 0 & 1 which of the following is the largest?

7 Pink, 5 Black, 11 Yellow balls are there. Minimum no. atleast to get one black and yellow ball

A man owns 2/3 of the market research beauro business and sells 3/4 of his shares for Rs.75000. What is the value of Business

If the radius of a circle is diminished by 10%, then its area is diminished by

The sum of first 45 natural numbers is:

Three friends divided some bullets equally. After all of them shot 4 bullets the total number of bullets remaining is equal to the bullets each had after division. Find the original number divided?

An emergency vehicle travels 10 miles at a speed of 50 miles per hour. How fast must the vehicle travel on the return trip if the round-trip travel time is to be 20 minutes?

Find the average of first 40 natural numbers.

Dessy traveled 1200 km by air which formed 2/5 of his trip. One third of the whole trip, he traveled by car and the rest of the journey he performed by train. What was the distance traveled by train?

The mass number of a nucleus is

A square is divided into 9 identical smaller squares. Six identical balls are to be placed in these smaller squares such that each of the three rows gets at least one ball (one ball in one square only). In how many different ways can this be done?

Who invented Napier’s Bones

On sports day,if 30 children were made to stand in a column,16 columns could be formed. If 24 children were made to stand in a column , how many columns could be formed?

One of Mr. Horton, his wife, their son, and Mr. Horton’s mother is a doctor and another is a lawyer.

(a) If the doctor is younger than the lawyer, then the doctor and the lawyer are not blood relatives.

(b) If the doctor is a woman, then the doctor and the lawyer are blood relatives.

(c) If the lawyer is a man, then the doctor is a man. Whose occupation you know?

In a journey of 15 miles two third distance was traveled with 40 mph and remaining with 60 mph. How much time the journey takes

One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs for each direction.What is the velocity of stream?

The sum of 5 successive odd numbers is 1075. What is the largest of these numbers?

A cow is tethered in the middle of a field with a 14 feet long rope. If the cow grazes 100 sq. ft. per day, then approximately what time will be taken by the cow to graze the whole field ?

At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand?

The tutor of Alexander the great was

Veselin Tapolev who became the World Champion at a time, is associated with which of the following games/sports ?

Goitre caused by the deficiency of ………

Which one of the words given below is different from others?

(935421 x 625) = ?

500 men are arranged in an array of 10 rows and 50 columns according to their heights. Tallest among each row of all are asked to fall out. And the shortest among them is A. Similarly after resuming that to their original positions that the shortest among each column are asked to fall out. And the tallest among them is B . Now who is taller among A and B ?

The largest copper producing country in the World is

In a single throw of a dice, what is the probability of getting a number greater than 4?

A radio when sold at a certain price gives a gain of 20%. What will be the gain percent, if sold for thrice the price?

1,2,6,24,_?

A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than A. How many days will they take to do the work together

The largest 4 digit number exactly divisible by 88 is:

Which of the following numbers should be added to 11158 to make it exactly divisible by 77?

A / B = C; C > D then

The probability that a man will be alive for 25

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On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column, how many columns could be formed?

2 numbers differ by 5.If their product is 336,then the sum of the 2 numbers is:

12% of 580 + ? = 94

If 9 engines consume 24 metric tonnes of coal, when each is working 8 hours a day; how much coal will be required for 8 engines, each running 13 hours a day, it being given that 3 engines of the former type consume as much as 4 engines of latter type.