Q1. The length breadth and height of the room is in 4 : 2 : 1. If the breadth and height are one fourth of the original while the length is doubled, then, the total area of the four wall of the room will …….
(a) remain the same
(b) decrease by 60%
(c) decrease by 64.5%
(d) decrease by 66.2%
Q2. A student took five papers in an examination, where the full marks of first two paper is 100 and for last three is 150. His marks in these were in the proportion of 5: 7 : 8 : 9 : 10. In all paper together candidate got 60% of total marks. Then number of paper is which he got paper more than 50% mark is.
Q3. A college has raised 3/4 th of the amount it need for a new charity fund by receiving an average donation of 600 from 60% of the people. If the college is to raise exactly the amount needed for the new charity fund. What should be average remaining donation from the remaining people which is not given?
Q4. Forty percent of the employees of a certain company are men and 75% of the men earn more than Rs 25,000 per year. If 45% of the company’s employees earn more than Rs. 25,000 per year, what fraction of the women employed by the company earn maximum of Rs 25,000 per year?
Q5. One amoeba splits into 16 amoeba of the next generation, but due to environment only 25% of one generation can produce the next generation. If the seventh generation number is 4096 million, what is the number in first generation.
(a) .25 million
(b) 1 million
(c) 4 million
(d) 16 million
Q6. A man earn x% on the first Rs. 2000 and y% on the rest of his income, if he earn Rs. 700 from Rs. 4000 and 900 from Rs. 5000 of income. How much he earn in the income of Rs. 11000.
(a) 2400 Rs.
(b) 2300 Rs.
(c) 2200 Rs.
(d) 2100 Rs.
Q7. The rate of increase of the price of petrol observed to be two percent more than inflation rate expressed in percentage. The price of petrol on January 1, 1994 is 40 Rs. per litre. The inflation rate of the year from 1994 to 1996 expected to be8% each year. The expected price of petrol per litre on January 1, 1997 would be
(a) 52 Rs.
(b) 52.5 Rs.
(c) 53.24 Rs.
(d) 54 Rs.
Q8. A report consists of 20 sheets each of 55 lines and each such line consists of 65 characters. This report is reduced onto sheets each of 65 lines such that each line consists of 70 characters. The percentage reduction in number of sheets is closest to
Q9. A milkman mixes 20L of water with 80L of milk. After selling one fourth of this mixture he add water to replenish quantity that he has sold. What is the current proportion of water to milk?
(a) 2 : 3
(b) 1 : 2
(c) 1 : 3
(d) 3 : 4
Q10. A piece of string is 40 cm long. It is cut into three pieces. The longest piece is 3 time as long as the middle-sized and the shortest piece is 23 cm shorter than the longest piece. By how much percentage longest piece is greater than the shortest piece.
Q11. Instead of walking along two adjacent sides of a rectangular field, a boy took a short cut along the diagonal and saved a distance equal to half the longer side. Then, the ratio of the shorter side to the longer side is
Q12. Fresh grapes contain 90% water by weight while dried grape contain 20% water by weight. What is percentage of reduction in weight of dried grapes from the fresh grape.
Q13. You can collect rubies and emeralds as many as you can. Each ruby is of Rs 4 crore and each emerald is of Rs 5 crore. Each ruby weighs 0.3 kg. And each emerald weighs 0.4 kg. Your bag can carry at the most 12 kg. What you should collect to get the maximum wealth?
(a) 20 rubies and 15 emeralds
(b) 40 rubies
(c) 28 rubies and 9 emeralds
(d) None of these
Q14. Using only 2, 5, 10, 25 and 50 paise coins, what will be the minimum number of coins required to pay exactly 78 paise, 69 paise and Re 1.01 to three different persons?
Q15. From each of two given numbers, half the smaller number is subtracted now the larger one is three times the smaller. By what percent larger number is greater than the smaller number.