# previous years

3,864 total views, no views today

3,864 total views, no views today Previous QuestionNext Question If n=1+x, where x is the product of four consecutive positive integers, then which of the following is/are true? [CAT, 1999] A. N is odd B. n is prime C. n is a perfect square a. A and C only b. A and B […]

3,083 total views, no views today

3,083 total views, no views today Previous QuestionNext Question What is the digit in unit’s place of 251? [CAT, 1998]a. 2 b. 8 c. 1 d. 4 Solution: Although the problem of large exponents have been solved in many of the questions whose links can be found in this website, yet the exponent of 2 deserves a special […]

2,086 total views, no views today

2,086 total views, no views today Previous QuestionNext Question If n3 is odd, which of the following statements are true? [CAT, 1998] I. n is odd. II. n2 is odd. […]

2,139 total views, 2 views today

2,139 total views, 2 views today Previous QuestionNext Question What is a sequence? Define its all types through examples: Solution: The number of persons standing in a queue forms a sequence because each of them has a particular order. That is, the first person has the first order, the second one has […]

3,374 total views, no views today

3,374 total views, no views today Previous QuestionNext Question A student instead of finding the value of of a number, found the value of of the number. If his answer differed from the actual one by 770, find the number. [CAT, 1997] a. 1584 b. 2520 c. 1728 d. 1656 Solution: A […]

2,131 total views, no views today

2,131 total views, no views today Previous QuestionNext Question Find the smallest number which when increased by 5 is exactly divisible by 8, 11 and 24. [CAT, 1994] Solution: Suppose that the smallest number is X and we have to increase it by 5 i.e., we will add 5 to it. X+5, and it should be divisible by 8, […]

741 total views, no views today

741 total views, no views today Previous QuestionNext Question Arithmetic Progression or Arithmetic Sequence: Practical Examples (Type III and Type IV) Arithmetic Progression or Arithmetic Sequence with practical examples: Practical Examples of A.P type III and type IV Type III How many two digits number are divisible by 4? Solution: Note: A division is just the opposite of subtraction. If you divide 10/2 and […]

995 total views, 2 views today

995 total views, 2 views today Previous QuestionNext Question Arithmetic Progression or Arithmetic Sequence: Practical Examples (Type I and Type II) Arithmetic Progression or Arithmetic Sequence with practical examples: Practical Examples of A.P (Type 1): If the 4th term of an A.P is 8 and the 7th term is 14, then find the three terms of this A.P. Solution: For the 4th […]

1,498 total views, 2 views today

1,498 total views, 2 views today Previous QuestionNext Question Arithmetic Progression or Arithmetic Sequence Understanding Arithmetic Progression or Arithmetic Sequence with clarity: In Mathematics, a sequence is a list of ordered numbers. This means each number in this list has an order.Ex: 1, 2, 3…..N.1 is the first number; 2 is the second number; 3 is the third number. […]

1,387 total views, no views today

1,387 total views, no views today Previous QuestionNext Question How many integers, greater than 999 but not greater than 4000, can be formed with the digits 0, 1, 2, 3 and 4 if repetition of digits is allowed? [CAT, 2010]a. 499 b. 500 c. 375 d. 376 Solution: The Fundamental Principle of Counting or the Multiplication Principal […]