Percentage Questions and Answers of Aptitude for SSC and Bank Exam

Percentage Problems with Solutions

Q.41 A group of 6 students has an average weight of 55 kg. If one of them is removed then the average of the remaining changes to 59 kg. What is the weight of the student who was removed?

(A) 37 kg

(B) 36 kg

(C) 35 kg

(D) 34 kg

Q.42 What strength of 20 ml alcohol should be added to 10 ml of 50% alcohol to get an average strength of 20% alcohol?

(A) 0.5%

(B) 5%

(C) 50%

(D) 5.5%

Q.43 A dishonest dealer sells as a weight of 800 gm in place of 1 kg and adds 20% impurities in sugar. What would be his profit %? If he claims to be selling at cost price?

(A) 50%

(B) 40%

(C) 45.5%

(D) None of these

Q.44 The population of a town grows at the rate of 20% every 5 years. In how many years will it double itself? (approximately)

(A) 12

(B) 15

(C) 16

(D) 20

Q.45 30% of the students in a class wear glasses, 10% of the students who wear glasses, wore gold rimmed glasses. If the class has 200 students, how many wear gold rimmed glasses?

(A) 6

(B) 7

(C) 8

(D) None of these

Q.46 In a village, 18% of the population are children and 10% of children are female. If the number of female children is 90. What is the population?

(A) 500

(B) 5000

(C) 600

(D) 6000

Q.47 A town has 700 women, 1700 men and 1100 children. What % of population are men? There are no eunuchs is town.

(A) 5%

(B) 10%

(C) 12%

(D) None of these

Q.48 For annual income in the slab of Rs. 1200000 to 2000000, a person pays tax at 20% over the surplus on Rs. 1200000. Wini’s annual salary is Rs. 1500000. How much tax does she pays per annum?

(A) Rs. 300000

(B) Rs. 240000

(C) Rs. 120000

(D) Rs. 60000

Q.49 The price of a book includes 10% printing cost, 20% paper cost, and another 15% labour cost. If the remainder is Rs. 110, what is the total price of the book?

(A) Rs. 200

(B) Rs. 300

(C) Rs. 400

(D) Rs. 500

Q.50 The population of a town has increased to 110% of its value last year. If the population this year is 2.2 lakhs, what is last year’s population?

(A) Rs. 2.32 Lakhs

(B) Rs. 2 Lakhs

(C) Rs. 2.5 Lakhs

(D) None of these

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