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

The largest copper producing country in the World is

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?

Consider the following statements:

(1). The Administrative Reforms Commission (ARC) had recommended that the Department of Personnel of a State should be put under the charge of the Chief Secretary of the State.

(2). Chief Secretary of a State is not involved in any manner in the promotion of State Civil officers to the All-People Services. Which of the statements given above is/are correct?

72519 x 9999 = ?

Which number is the odd one out? 9678 4572 5261 3527 7768

The largest 4 digit number exactly divisible by 88 is:

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

Find the average of first 40 natural numbers.

The tutor of Alexander the great was

The sum of first five prime numbers is:

I have trouble _____.

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?

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?

Superheroes Liza and Tamar leave the same camp and run in opposite directions. Liza runs 1 mile per second (mps) and Tamar runs 2 mps. How far apart are they in miles after 1 hour?

Average age of students of an adult school is 40 years. 120 new students whose average age is 32 years joined the school. As a result the average age is decreased by 4 years. Find the number of students of the school after joining of the new students:

Goitre caused by the deficiency of ………

The mass number of a nucleus is

If x=y=2z and xyz=256 then what is the value of x?

The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ? A

The probability that a man will be alive for 25 years is 3/5 and the probability that his wife will be alive for 25 years is 2/3. Find the probability that only the man will be alive for 25 years

Which one of the following numbers is exactly divisible by 11?

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

To 15 Lts of water containing 20% alcohol, we add 5 Lts of pure water. What is % alcohol.

18: 8 15 24 35 48 63 _?

There are 3 societies A, B, C. A lent cars to B and C as many as they had Already. After some time B gave as many tractors to A and C as many as they have. After sometime c did the same thing. At the end of this transaction each one of them had 24. Find the cars each originally had.

Who invented Napier’s Bones

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 ?

The simple interest on a certain sum of money for 3 years is 225 and the compound interest on the same sum at the same rate for 2 years is 153 then the principal invested is

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

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?

A boat travels 20 kms upstream in 6 hrs and 18 kms downstream in 4 hrs.Find the speed of the boat in still water and the speed of the water current?

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

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

A three digit number consists of 9,5 and one more number. When these digits are reversed and then subtracted from the original number the answer yielded will be consisting of the same digits arranged yet in a different order. What is the other digit?

12% of 580 + ? = 94

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

2 hours after a freight train leaves Delhi a passenger train leaves the same station travelling in the same direction at an average speed of 16 km/hr. After travelling 4 hrs the passenger train overtakes the freight train. The average speed of the freight train was?

If (2x-y)=4 then (6x-3y)=?

1397 x 1397

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

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

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 ?

1,2,6,24,_?

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.

Sam and Mala have a conversation. Sam says I am certainly not over 40 Mala Says I am 38 and you are at least 5 years older than me · Now Sam says you are at least 39 all the statements by the two are false. How old are they really?

There are 20 poles with a constant distance between each pole. A car takes 24 second to reach the 12th pole.How much will it take to reach the last pole.

What is the code name for Windows Vista?

In page preview mode:

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?