In each of the following questions, a number series is given. Identify the wrong number in the series.

6789, 6753 ,6410 , 6346 , 5617, 5519

In each of the following questions, a number series is given. Identify the wrong number in the series.

4, 5, 18, 82, 388, 2065, 12606

In the following problems, there is one question and some statements given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find out which of the statements is/are sufficient to answer the given question. Choose the correct alternative for each question.

What is the length of train?

I . Train cross a man in 9 sec at the speed of 72 km/hr.

II . The train cross an another train 16 sec, when train running in same direction.

III . Train crossed goods train, which running in opposite direction in 7.2 sec.

In the following problems, there is one question and some statements given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find out which of the statements is/are sufficient to answer the given question. Choose the correct alternative for each question.

In how many days P can complete the work alone?

I . P and Q complete work together in 10 days.

II . Q and R complete work together in 12 days.

III . P and R complete work together in 15 days.

The diagonal of a square is √2 times of the diagonal of a rectangle area of which is 240 m² . The ratio of length to breadth of the rectangle is 12 : 5. If the radius of the circle is equal to the perimeter of the square, then what is the circumference of the circle?

Pinku, Shivani and Mohita are three sisters. Pinku and Shivani are twins. The ratio of sum of  the ages of Pinku and Shivani is same as that of Mohita alone. Three years earlier the ratio of age of Pinku and Mohita was 2 : 7. What will be the age of Shivani 3 years hence?

Perimeter of square is 3/4  th of the perimeter of a rectangle, whose length is 24 cm and breath is 16 cm. Find the circumference of a circle, whose diameter is 6 cm more than side of square?

What will come in place of the question mark (?) in the following questions?(You are not expected to calculate exact values)

A bag contains seven blue, ‘x’ red and ‘y’ yellow balls. If one ball taken out random from bag probability of being red is  1/4 and that of being yellow is  2/5 . If three balls taken out random from vessel, then find probability of being all three balls are different colours?

A container contains a mixture of milk and water in the ratio of 17 : 5. Now, 22 liters of the mixture is taken out from the container and 4 litres of pure water and 6 litres of pure milk is added to the mixture. If the resultant mixture contains 25% water, what was the initial quantity of mixture in the container before the replacement? (in litres).