Q1. What is the 80% of a number, whose 3/7 th is 60?
Q2. The average weight of boys in a class of total strength 50 is 40 kg while average weight of girls is 35 kg. Find number of girls in class if average weight of class is 38 kg.
Q3. The average weight of a class of 45 girls is 53 kg. It was latter found that weight of two girls was read as 49 kg and 57 kg instead of 45 kg and 52 kg. Find the actual average weight of the class.
(a) 54 kg
(b) 53.40 kg
(c) 50.6 kg
(d) 52.80 kg
(e) 51.5 kg
Q4. Population of a city X is 1, 60,000. In the next three years, there is a total increase of 8% in male population and increase of 20% in female population, which results in male to female ratio as 3:2. Find the original male and female population of the city?
(a) 84000, 96000
(e) 85000, 75000
Q5. Population of two cities A and B is in ratio 5 : 6. If 40% and 662/3% of population of city A and city B respectively is literate and the difference between the number of illiterate people of the cities is 600 then find the total population of city A ?
Q6. Neeraj spent 22% of his monthly salary in Food, 20% of the remaining monthly salary in F.D. If his saving is Rs. 3120. Then find the expenses made by Neeraj on Food ?
(a) Rs. 1150
(b) Rs. 900
(c) Rs. 1000
(d) Rs. 1100
(e) Rs. 1200
Q7. A fraction when subtracted from its reverse gives 7/12 as a result and when added with the reverse gives (25 )/12 as a result. Find the fraction.
Q8. A fraction is such that, if we triple the numerator and double the denominator and again increased the numerator by 20% and decreased the denominator by 10%, we get 62.5% of 1 7/25. Find the original fraction.
Q9. 60% of the revenue of a college came from the post-graduation courses while 40% are from the graduation courses. If the college raises its fees by 30% for the post-graduation courses and by 20% for the graduation courses, then find the percentage increase in the revenues of the college.
Q10. 70% of a number is equal to 30% of another number. If average of both numbers is 24, then find the larger number
Q11. If the numerator of a fraction is increased by 150% and the denominator of the fraction is decreased by 25%, the resultant fraction is 11 1/9% of 8. What is the original fraction.
Q12. The expense on Rent and Food of ‘A’ is 44% of his monthly salary. The expense on books is 12 1/2% of the remaining amount and the expense on Transport and entertainment is 5/7th of the remaining amount. If saving of A is 16 2/3% of the B’s monthly salary. Then find A’s expense on books if the annual salary of B is Rs. 2.52lakh.
(a) Rs. 1700
(b) Rs. 1650
(c) Rs. 1750
(d) Rs. 1850
(e) Rs. 1600
Q13. In an election in a village, only 75% of the villagers on the voter list cast their votes. Out of total votes casted which 1850 votes are invalid. The winner got 51% of the votes on the voter list and won by 8600 votes. Find the number of votes got by looser if there are only two candidates in the election.
Q14. Pandey’s income & savings are in ratio 16:3. If his savings increases by 1/3 while expenditure by 1/2. Find the ratio of new income to earlier income.
(e) None of these
Q15. Mohit invested 28% of his monthly salary of Rs 25000 in share markets. He spends the remaining salary in the ratio 2:4:3 in house rent, grocery and entertainment expenses respectively. What was the difference between amount invested in share markets and that spent on entertainment?
(a) Rs 1500
(b) Rs 2000
(c) Rs 2500
(d) Rs 3000
(e) Rs 1000
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