* answer
01. The students in three classics are in the ratio 2 : 3 : 5. if 40 students are increased in each class. the ratio changes to 4 : 5 : 7. Originally. the total number of students was ?
- (1) 100
- (2) 180
- (3) 200*
- (4) 400
02. The ratio of incomes of two persons is 5 : 3 and that of their expenditures is 9 : 5. Find the income of each person. if they save Rs. 1,300 and Rs, 900 respectively.
- (1) Rs. 4.000. Rs. 2.400*
- (2) Rs. 3,000, Rs. 1.800
- (3) Rs. 5.000, Rs'. 3.000
- (4) Rs. 4.500 Rs. 2.700
03. A fort has provisions for 50 days. If after 10 days, they are strengthened by 500 men and the remaining food lost 35 days. how many men were there in the fort initially ?
- (1) 3500*
- (2)3000
- (3) 2500
- (4) 4000
04. The sum of the numbers of boys and girls in a school is 150. If the number of boys is x. the number of girls becomes x% of the total number of students. The number of boys is.
- (1) 90
- (2) 50
- (3) 40
- (4) 60*
05. A number is increased by 20% and then it is decreased by 10%. Find the net increase or decrease percent ?
- (1) 10% increase
- (2) 10% decrease
- (3) 8% increase*
- (4) 8% decrease
06. Chinese astronauts are referred to as ?
- 1. Cosmonant
- 2. Spationaut
- 3. Taikonaut*
- 4. Sailor
07. The outer Space Treaty aims at keeping space peaceful including Moon, came into force in ?
- 1. 1965
- 2. 1967*
- 3. 1950
- 4. 1985
08. The Moon Treaty (Moon Agreement) which was made exclusively for the preservation of Moon, peaceful came into force on ?
- 1. 1967
- 2. 1970
- 3. 1979*
- 4. 1980
09. How many planets are there in the solar system, which are officially recognised by the International Astronomical Union (IAU) ?
- 1. 9
- 2. 12
- 3. 10
- 4. 8*
10. A newly discovered Kuiper object by Michael Brown and group which was regarded as a planet for some time is ?
- 1. Xena (2003 UB-313)*
- 2. Charon
- 3. Ceres
- 4. Pluto
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