# Numerical Aptitude 1 Important Questions and Answers Part 4

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.

42. If 13 men can complete a piece of work in 36 days, then in how many days will 18 men complete the same work?

(A) 16 days

(B) 20 days

(C) 26 days

(D) 30 days

(E) None of these

43. If the area of a circle is 75.44 square cm then what is the circumference of the circle?

(A) 29.2 cm

(B) 28.9 cm

(C) 30.8 cm

(D) 40.2 cm

(E) None of these

44. Girish started a business investing ₹ 45,000. After 3 months, Vijay joined him with a capital of ₹ 60,000. After another 6 months, Ankush joined them with a capital of ₹ 90,000. At the end of the year, they made a profit of ₹ 16,500. What is Girish՚s share of profit?

(A) ₹ 5,500

(B) ₹ 6,000

(C) ₹ 6,600

(D) As. 5,900

(E) None of these

45. What is the average age of a family of five members, whose ages are 42, 49,56, 63 and 35 years respectively?

(A) 60 years

(B) 49 years

(C) 45 years

(D) 58 years

(E) None of these

46. A and B are two taps which can fill a tank individually in 10 minutes and 20 minutes, respectively. However, there is a leakage at the bottom which can empty a filled tank in 40 minutes. If the tank is empty initially, how much time will both the taps take to fill the tank (leakage is still there) ?

(A) 8 minutes

(B) 7 minutes

(C) 10 minutes

(D) 15 minutes

(E) None of these

47. What is 50 % of 40 % of ₹ 3,450?

(A) ₹ 690

(B) ₹ 520

(C) ₹ 517.5

(D) ₹ 499.2

(E) None of these

48. If an amount of ₹ 5,86, 700 is distributed equally amongst 25 persons, then how much would each person get?

(A) ₹ 2,54, 876

(B) ₹ 2,34, 68

(C) ₹ 3,74, 20

(D) ₹ 1,95, 62

(E) None of these

49. An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white?

(A) 71/190

(B) 121/190

(C) 91/190

(D) 93/190

(E) None of these

50. If the price of 5 transistors and 2 pen stands is ₹ 810, then what will be the price of 7 transistors and 9 pen stands?

(A) ₹ 1,320

(B) ₹ 1,500

(C) ₹ 1,150

(D) Cannot be determined

(E) None of these