21. A dishonest dealer claims to sell his goods at the cost price but uses a false weight of 900 gm for 1 kg. What is his gain per cent?
A. 10%
B. 11 1/9%
C. 11.25%
D. 12 1/9%
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22. A student who secures 20% marks in a test fails by 30 marks. Another student who secures 32% marks gets 42 marks more than those required to pass. Pass percentage of marks is-
A. 25%
B. 28%
C. 30%
D. 33%
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23. A man spends Rs. 3500 per month and saves 12 ½% of his income. His monthly income is-
A. Rs. 4400
B. Rs. 4270
C. Rs. 4000
D. Rs. 3937.50
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24. In a mixture of 60 litres, the ratio of milk and water is 2:1. If this ratio is to be 1:2, the quantity of water to be further added is-
A. 20 litres
B. 30 litres
C. 40 litres
D. 60 litres
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25. Two pipes can fill a tank in 20 minutes and 30 minutes respectively, If both the pipes are opened simultaneously, then the tank will be filled up in-
A. 10 minute
B. 12 minute
C. 15 minute
D. 25 minute
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26. A train is moving with a speed of 180 km/hr. It’s speed in m/sec is-
A. 5 m/sec
B. 30 m/sec
C. 40 m/sec
D. 50 m/sec
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27. A student walks from his house at the speed of 2 ½ km/hr and reaches his school late by 6 minutes. Next day, he increase his speed by 1 km/hr and reaches 6 minutes before the school time. How far is the school from his house?
A. 5/4 km
B. 7/4 km
C. 9/4 km
D. 11/4 km
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28. If the simple interest for 6 years be equal to 30% of the principal, it will be equal to the principal, it will be equal to the principal after-
A. 10 years
B. 20 years
C. 22 years
D. 30 years
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29. The length of a rectangular plot 4 ½ times it’s breadth. If the area of the plot is 200 sqm, then what is it’s length?
A. 25m
B. 20m
C. 62m
D. 30m
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30. The perimeter of a rectangle is 60 m. if it’s length is twice it’s breadth, then it’s area is-
A. 160 m2
B. 180 m2
C. 20 m2
D. 200 m2
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31. The headquarters of North Western Railway is in-
A. Jaipur
B. Hajipur
C. Allahabad
D. Hubli
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32. INSAT-IA was launched in the year-
A. 1975
B. 1965
C. 1962
D. 2002
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33. Which of the following statement/s is/are correct about convection?
A. The act or process of conveying; transmission
B. Heat transfer in a gas or liquid by the circulation of currents form one region to another
C. The transfer of heat or other atmospheric properties by massive motion within the atmosphere; especially by such motion directed upward
D. All the above
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34. How does the Sun gets it’s energy?
A. From gravitational pressure
B. From nuclear fission
C. From nuclear fusion
D. From electromagnetic currents
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35. Which of the following is called ‘Blue Planet’?
A. Saturn
B. Earth
C. Jupiter
D. Mars
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36. What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior?
1. Mantle
2. Crust
3. Core
A. 1,2,3
B. 1,3,2
C. 2,1,3
D. 3,1,2
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37. Which one of the following is the smallest country in the world?
A. Monaco
B. Vatican City
C. Nauru
D. San Marino
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38. The World’s longest river is-
A. Nile
B. Ganges
C. Amazon
D. Mississippi-Missouri
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39. Who was the First women president of Indian National Congress?
A. Sarojini Naidu
B. Sucheta Kripalani
C. Raj Kumari Amrit Kaur
D. Annie Besant
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40. The Ghadar Movement was founded by-
A. Ajit Singh
B. Lala Hansraj
C. Lala Hardayal
D. Sohan Singh Bhakhna
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