Percentage SSC-Maths (Part-8)

Total Questions: 37

11. Some students (only boys and girls) from different schools appeared for an Olympiad exam. 20% of the boys and 15% of the girls failed in the exam. The number of boys who passed the exam was 70 more than that of the girls who passed the exam'. A total of 90 students failed. Find the numbers of students that appeared for the exam. [SSC CGL 11/04/2022 (Morning)]

Correct Answer: (c) 500
Solution:

12. In a factory with 400 employees, the ratio of the number of male employees to that of female employees is 5:3. There are 87.5% regular employees in the factory. If 92% of male employees are regular employees. Then what is the percentage of regular female employees? [SSC CGL 13/04/2022 (Morning)]

Correct Answer: (a) 80%
Solution:

13. In an election between two candidates, 5% of the registered voters did not caste their vote. 10% of the votes were found to be either invalid or of NOTA. The winning candidate received 60% of the votes in his favour and won the election by 17271 votes. Find the number of registered voters. [SSC CGL 18/04/2022 (Evening)]

Correct Answer: (c) 101000
Solution:

14. A man started off a business with a certain capital amount. In the first year, he earned 60% Profit and donated 50% of the total capital (initial amount + profit). He followed the same procedure with the remaining capital after the second and the third year. If at the end of the three years, he is left with Rs. 15,360, what was the initial amount with which the man started his business? [SSC CGL 19/04/2022 (Morning)]

Correct Answer: (b) 30,000
Solution:

15. The income of A is 80% of B's income and the expenditure of A is 60% of B's expenditure. If the income of A is equal to 90% of B's expenditure, then by what percentage are the savings of A more than B's savings? [SSC CGL Tier II (29/01/2022)]

Correct Answer: (d) 140%
Solution:

16. The monthly expenses of a person are 66⅔ % more than her monthly savings. If her monthly income increases by 44% and her monthly expenses increases by 60%, then there is an increase of ₹1,040 in her monthly savings. What is the initial expenditure (in ₹)? [SSC CGL Tier II (29/01/2022)]

Correct Answer: (a) 10,000
Solution:

17. In an examination, B obtained 20% more marks than those obtained by A, and A obtained 10% less marks than those obtained by C. D obtained 20% more marks than those obtained by C. By what percentage are the marks obtained by D more than those obtained by A ? [SSC CGL Tier II (03/02/2022)]

Correct Answer: (a) 33 ⅓ %
Solution:

18. A number was divided by 8, instead of being multiplied by 8. As a result of this, there was an error in the answer. What is the percentage difference (correct to two places of decimal) in the answer due to this miscalculation? [SSC MTS 08/10/2021 (Morning)]

Correct Answer: (c) 98.44%
Solution:

19. Varun gave 60% of the money he had to his wife. He also gave 20% of the remaining amount to each of his three children. Three-fifth of the amount now left was spent on miscellaneous items, and the remaining amount of ₹9,600 was deposited in the bank. How much money did Varun have initially? [SSC MTS 13/10/2021 (Evening)]

Correct Answer: (c) ₹1,50,000
Solution:

20. Last year, 300 students appeared for an examination from school A, and 33⅓ % of the students failed. In the same year, 480 students appeared for the examination from school B. 60% of the total students from schools A and B passed. What is the fail percentage of students from school B? [SSC MTS 14/10/2021 (Evening)]

Correct Answer: (d) 44 ⅙ %
Solution: