## Downlaod CHSL (10+2) Exam Model Papers Mock Test -4 Arithmetic

Downlaod CHSL (10+2) Exam Model Papers Mock Test -4 Arithmetic

**1. The value of (256)0.16 × (256)0.09 is :**

(a) 256.25

(b) 64

(c) 16

(d) 4

**2. Simplify : **

**3. **

**4. 1 – [5 – {2 + (–5 + 6 – 2) 2}] is equal to :**

(a) –4

(b) 2

(c) 0

(d) –2

**5 **.

(a) 1.64

(b) 2.64

(c) 1.764

(d) 0.1764

**6 **

**7. **

(a) 6

(b) 10

(c) 14

(d) 16

**8. The square root of : **

(a) 4

(b) 3

(c) 2

(d) 1

**9. Find the value of **

(a) 12

(b) 8

(c) 4

(d) –4

**10. If 3x + 8 = 272x + 1, the value of x is :**

**11. is equal**

**12. If log102 = 0.3010 and log107 = 0.8451, then the value of log102.8 is :**

(a) 0.4471

(b) 1.4471

(c) 2.4471

(d) 1.4471

**13. Which of the following fractions is the smallest? **

**14. (49)15 – 1 is exactly divisible by:**

(a) 50

(b) 51

(c) 29

(d) 8

**15. **

**16. **

**17. The LCM of two numbers is 495 and their HCF is 5. If the sum of numbers is 100, then their difference is :**

(a) 10

(b) 46

(c) 70

(d) 90

**18. LCM of two numbers is 225 and their HCF is 5. If one number is 25, the other number will be :**

(a) 5

(b) 25

(c) 45

(d) 225

**19. **

**20. If we write 45 as sum of four numbers so that when 2 is added to first number, 2 subtracted from second number, third multiplied by 2 and fourth divided by 2, we get the same result, then the four numbers are:**

(a) 1, 8, 15, 21

(b) 8, 12, 5, 20

(c) 8, 12, 10, 15

(d) 2, 12, 5, 26

**21. Four numbers are in the ratio 1 : 2 : 3 : 4. Their sum is 16. The sum of the first and fourth number is equal to :**

(a) 5

(b) 8

(c) 10

(d) 80

**22. **

(a) 25

(b) 35

(c) 45

(d) 60

**23. **

(a) 6

(b) 18

(c) 27

(d) 36

**24. The sum of three consecutive odd natural numbers is 147. Then, the middle number is :**

(a) 47

(b) 48

(c) 49

(d) 51

**25. If 5432*2 is divisible by 9, then the digit in place of * is :**

(a) 0

(b) 1

(c) 6

(d) 9

**26. By which smallest number 1323 must be multiplied, so that it becomes a perfect cube?**

(a) 2

(b) 3

(c) 5

(d) 7

**27. The least number, which when divided by 12, 15, 20 or 54 leaves a remainder of 4 in each case, is :**

(a) 450

(b) 454

(c) 540

(d) 544

**28. **

**29. Four bells ring at intervals of 4, 6, 8 and 14 seconds. They start ringing simultaneously at 12.00 O’clock. At what time will they again ring simultaneously ?**

(a) 12 hrs. 2 min. 48 sec.

(b) 12 hrs. 3 min.

(c) 12 hrs. 3 min. 20 sec.

(d) 12 hrs. 3 min. 44 sec.

**30. **

(a) Rs. 5040

(b) Rs. 3520

(c) Rs. 4890

(d) Rs. 4458

**31. A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?**

(a) 6

(b) 3.5

(c) 8

(d) None of these

**32. A number when divided by 899 gives a remainder 63. If the same number is divided by 29, the remainder will be:**

(a) 10

(b) 5

(c) 4

(d) 2

**33. **

(a) 7.2

(b) 8.5

(c) 10

(d) 12

**34. Which of the following is the biggest? **

**35. If 120 is 20% of a number, then 120% of that number will be:**

(a) 20

(b) 120

(c) 480

(d) 720

**36. If 8% of x is the same as 4% of y, then 20% of x is the same as:**

(a) 10% of y

(b) 16% of y

(c) 80% of y

(d) 50% of y

**37. If x is less than y by 25% then y exceed x by:**

**38 **

(a) 44%

(b) 34%

(c) 54%

(d) 64%

**39. **

(a) 2 : 3

(b) 3 : 2

(c) 3 : 4

(d) 4 : 3

**40. The income of C is 20% more than B’s and the income of B is 25% more than A’s. Find by how much per cent is C’s income more than A’s?**

(a) 150%

(b) 50%

(c) 25%

(d) 35%

**41. In the given figure, AB || CD and EF || GH. Find the relation between a and b.**

(a) 2a + b=180°

(b) a + b = 180°

(c) a – b = 180°

(d) a + 2b = 180°

**42. In the given figure, if l || m, find the value of x in degree.**

(a) 105°

(b) 100°

(c) 110°

(d) 115°

**43 **.

(a) 20°

(b) 30°

(c) 24°

(d) 32°

**44. Find the equation of the line which cuts off equal and positive intercepts on the axes and their sum is 12.**

(a) x – y = 12

(b) x + y = 6

(c) x – y = 6

(d) None of these

**45. The equation of the line passing through (1, 2) and parallel to 3x + 4y + 7 = 0.**

(a) 3x – 4y = 11

(b) 3x + 4y =11

(c) 3x + 4y = 0

(d) None of these

**46. The equation of the straight line parallel to ax + by + c = 0 and passing through the origin is**

(a) ax – by = 0

(b) –bx + ay = 0

(c) ax + by = 0

(d) None of these

**47. The equation of a straight line passing through (1, 2) and perpendicular to the line 3x + 4y = 7 is**

(a) 4x – 3y + 2 = 0

(b) 3x + 4y = 7

(c) 4x – 3y + 7 = 0

(d) None of these

**48. Which of the following is a root of the polynomial f(x) = x3 – 2×2 – x + 2?**

(a) x = –2

(b) x = 1

(c) x = 3

(d) x = –3

**49. If x = 2 is a root of the polynomial f (x) = 5×3 – 3×2 + kx – 10, find the value of k.**

(a) – 9

(b) 3

(c) 9

(d) – 3

**50. If x = 1 and –1 are the roots of the polynomial f(x) = 22 + x2 – ax + b. Find the values of a and b.**

(a) 2, – 2

(b) – 2, – 1

(c) 2, – 1

(d) 1, – 2

__ANSWERS__

**1. (d) 2. (c) 3. (c) 4. (a) 5. (d) 6. (c) 7. (c) 8. (c) 9. (c) 10. (d) 11. (b) 12. (a) 13. (l) 14. (d) 15. (a)**

**16. (b) 17. (a) 18. (c) 19. (a) 20. (b) 21. (b) 22. (l) 23. (b) 24. (c) 25. (c) 26. (d) 27. (c) 28. (b)**

**29.(a) 30. (a) 31. (c) 32. (b) 33. (c) 34. (a) 35. (d) 36. (d) 37. (a) 38. (d) 39. (d) 40. (b)**

**41. (b) 42. (a) 43. (b) 44. (b) 45. (b) 46. (c) 47. (a) 48. (b) 49. (a) 50. (c)**