← Chapters
1. Number Systems
53 questions 1. What is the place value of 5 in 3254710? (CLAT, 2010) ↓
2. The face value of 8 in the number 458926 is (R.R.B., 2006) ↓
3. The sum of the place values of 3 in the number 503535 is (M.B.A., 2005) ↓
4. The difference between the place values of 8 and 2 in the number 683254 is ↓
5. The difference between the local value and the face value of 6 in the numeral 47623518 is ↓
6. The sum of the greatest and smallest number of six digits is ↓
7. If the largest four-digit number is subtracted from the smallest six-digit number, then the remainder is ↓
8. The smallest number of 5 digits beginning with 3 and ending with 5 will be (R.R.B., 2006) ↓
9. What is the minimum number of four digits formed by using the digits 2, 4, 0, 7? (P.C.S., 2007) ↓
10. All natural numbers and 0 are called the ......... numbers. (R.R.B., 2006) ↓
11. Consider the following statements about integers:
(I) There exists a smallest integer.
(II) There exists a largest integer.
(III) Between two integers, there is always another integer.
Which of the above statements is/are correct? ↓
12. Every integer is also a ↓
13. The number π is (R.R.B., 2005) ↓
14. √5 is a/an ↓
15. The number √7 is ↓
16. P and Q are two positive integers such that PQ = 36. Which of the following cannot be the value of P + Q? ↓
17. If x + y + z = 9 and both y and z are positive integers greater than zero, then the maximum value x can take is (Campus Recruitment, 2006) ↓
18. If m and n are both odd numbers, which of the following is an even number? ↓
19. For the integer m, if m³ is even, then which of the following statements are true?
(I) m is even.
(II) m² is even.
(III) m² is odd. ↓
20. Which of the following is always even? ↓
21. If y is an odd integer, then which of the following is true? ↓
22. If a and b are two numbers such that ab = 0, then (R.R.B., 2006) ↓
23. If a, b, c, d and e are integers, then a(b + c)(d − e) must be even when which of the following is even? ↓
24. If x is a negative number, then which of the following is the greatest? ↓
25. If p − q = 12, then which of the following must be true?
(I) Both p and q are positive.
(II) If p is positive, q must be positive.
(III) If p is negative, q must be negative. ↓
26. If m and n are negative numbers, then which of the following statements is/are always true?
(I) mn is positive.
(II) m + n is positive.
(III) m − n is negative. ↓
27. Between two distinct rational numbers a and b, there exists another rational number which is (P.C.S., 2006) ↓
28. If B > A, then which expression will have the highest value (given that A and B are positive integers)? (Campus Recruitment, 2007) ↓
29. If 0 < x < 1, which of the following is greatest? (Campus Recruitment, 2007) ↓
30. If p is a positive fraction less than 1, then ↓
31. If y is a real number, then y² − y + 1 is ↓
32. If a > b and c < 0, then which is true? ↓
33. If a, b and c are positive numbers such that a < c and a < b, which of the following is necessarily true?
(I) b < c
(II) a² < bc
(III) ac < b + c ↓
34. In the relation x > y + z, x + y > p and z < p, which of the following is necessarily true? (Campus Recruitment, 2008) ↓
35. If a and b are positive integers and (a − b) ÷ 3.5 = 4/7, then (Campus Recruitment, 2010) ↓
36. If 13 = 13w/(1 − w), then (2w)² = ? (Campus Recruitment, 2009) ↓
37. The second digit of the number is (B.B.A., 2006) ↓
38. The last digit of the number is (B.B.A., 2006) ↓
39. The largest digit in the number is (B.B.A., 2006) ↓
40. Which of the following is a factor of the given number? (B.B.A., 2006) ↓
41. Which of the following is the smallest odd prime number? ↓
42. Consider the following statements:
1. If x and y are prime numbers greater than 2, then x + y is always even.
2. There exists a prime number that is even.
Which of the above statements is/are correct? ↓
43. The number of prime numbers between 50 and 100 is ↓
44. Find the missing number in the following addition problem: ↓
45. What number should replace M in this multiplication problem? ↓
46. If p and q represent digits, what is the maximum possible value of q in the statement 6p2 + 350 + 1q7 = 1139? ↓
47. What would be the maximum value of Q in the following equation? 4P6 + 7Q3 + R51 = 1870 ↓
48. What should come in place of the * mark in the following equation? 1*1$1 ÷ 163 = 87 ↓
49. If 5*38 − 27@6 = 3002, which of the following should come in place of *? ↓
50. What should be the maximum value of Q in the following equation? 4P8 − 6Q3 + 7R5 = 620 ↓
51. In the following sum, '?' stands for which digit? ? + 2? + 4? + ?5 + ?1 = 22? ↓
52. If ⊕ means adding 4 times the second number to the first number, then (2 ⊕ 3) ⊕ 5 equals ↓
53. If 1 × 2 × 3 × ... × n is denoted by [n], then [9] − [8] − [7] is equal to ↓