# Numerical Aptitude 1 Important Questions and Answers Part 3

Doorsteptutor material for CTET/Paper-1 is prepared by world's top subject experts: get questions, notes, tests, video lectures and more- for all subjects of CTET/Paper-1.

29. The sum of the digits of a two-digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number?

(A) 28

(B) 48

(C) 39

(D) 93

(E) None of these

30. In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3. What was the original fraction?

(A) 5/18

(B) 6/13

(C) 13/6

(D) 7/12

(E) None of these

31. Four-fifth of a number is 10 more than two-third of the same number. What is the number?

(A) 70

(B) 75

(C) 69

(D) 85

(E) None of these

32. A shopkeeper purchased 200 bulbs for ₹ 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at ₹ 12 each. What will be the percentage profit?

(A) 25

(B) 15

(C) 13

(D) 17

(E) None of these

33. What should come in the place of question mark (?) in the number series given below? 25, 34, 52,79, 115?

(A) 160

(B) 140

(C) 153

(D) 190

(E) None of these

34. What number should replace both the question marks (?) in the following question? ? /144 = 49/?

(A) 95

(B) 76

(C) 82

(D) 84

(E) None of these

35. The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers?

(A) 158

(B) 148

(C) 168

(D) 198

(E) None of these

36. Ajay spends 25 % of his salary on house rent, 5 % on food, 15 % on travel, 10 % on clothes and the remaining amount of ₹ 27,000 is saved. What is Ajay՚s income?

(A) ₹ 60,000

(B) ₹ 80,500

(C) ₹ 60,700

(D) ₹ 70,500

(E) None of these

37. In how many different ways, can the letters of the word ‘CRISIS’ be arranged?

(A) 150

(B) 240

(C) 120

(D) 200

(E) None of these

38. At each corner of a square park with side equal to 40 m, there is a flower bed in the form of a sector of radius 14 m. What is the area of the remaining part of the park?

(A) 984 Square m

(B) 789 Square m

(C) 1014 Square m

(D) 1024 Square m

(E) None of these

39. The length of a rectangular field is thrice its breadth. If the cost of cultivating the field at ₹ 367.20 per square meter is ₹ 27,540, then what is the perimeter of the rectangle?

(A) 47m

(B) 39m

(C) 52m

(D) 40m

(E) None of these

40. If the fractions 8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth?

(A) 4/5

(B) 5/4

(C) 9/5

(D) 8/5

(E) 7/2

41. The present ages of Chetna and Shikha are in the ratio of 5: 7, respectively. After 7 years, their ages will be in the ratio of 11: 14 respectively. What is the difference between their ages?

(A) 9 years

(B) 4 years

(C) 5 years

(D) 7 years

(E) None of these