1. If 20% of P = 30% of Q = 1/6 of R., then P: Q : R is :
(a) 2 : 3 : 16
(b) 3 : 2 : 16
(c) 10 : 15 : 18
(d) 15 : 10 18
Answer: (d)
2. A tree increases annually by 1/8th of its height. What will be its height after 2 years, if it stands today 64 cm high?
(a) 72 cm
(b) 74 cm
(c) 81 cm
(d) 85 cm
Answer (c)
3. The sides of a triangle GHL are GH= 65 m, HL = 75 m and LG=80 m. What is the area of this triangle (square meters)?
(a) 2100
(b) 2160
(c) 2200
(d) 2280
Answer: (d)
4. Three sets of data on comparable situations are available as under :
Observation No of data Mean value Std Deviation
1 9 8 1.6
(b) 2160
(c) 2200
(d) 2280
Answer: (d)
4. Three sets of data on comparable situations are available as under :
Observation No of data Mean value Std Deviation
1 9 8 1.6
2 12 7 12
3 15 9 1.4
Considering all the data sets together, the overall mean value would be ..
(a) 7.24
(b) 7.66
(c) 8.08
(d) 8.50
Answer: (c)
5. A train travels at a certain average speed for a distance of 63 km. Thereafter it travels a distance of 72 km with an average speed of 6 km/hour more than the original speed. Total time taken to complete the journey is 3 hours. What is the original average speed of the train ?
3 15 9 1.4
Considering all the data sets together, the overall mean value would be ..
(a) 7.24
(b) 7.66
(c) 8.08
(d) 8.50
Answer: (c)
5. A train travels at a certain average speed for a distance of 63 km. Thereafter it travels a distance of 72 km with an average speed of 6 km/hour more than the original speed. Total time taken to complete the journey is 3 hours. What is the original average speed of the train ?
(a) 36 kmph
(b) 42 kmph
(c) 48 kmph
(d) 54 kmph
Answer: (b)
6. An iron rod of 1 cm diameter and 8 cm length, is drawn into a wire of 18m in length with uniform thickness. The thickness of the wire would be :
(a) 1/21
(b) 1/18
(c) 1/15
(d) 1/12
Answer: (c)
7. A 60 m long train travels at a uniform speed of 72 kmph. It passes non-stop along the 600m platform of a wayside station. What is the elapsed time for the train to entirely clear the platform ?
(a) 30 seconds
(b) 31 seconds
(c) 32 seconds
(d) 33 seconds
Answer:(d)
8. Train A is 75 m long and travels at a uniform speed of 54 km/hour. Train S is 125 m long and travels at a uniform speed of 36 km/hour in the direction opposite to that of Train A. If these trains are crossing at a double-track stretch, what is the time taken for the two trains to fully clear each other ?
(a) 10 seconds
(b) 8 seconds
(c) 7.2 seconds
(d) 6.6 seconds
Answer: (b)
9. Biome, largest recognizable assemblage of animals and plants on the Earth. is controlled mainly by :
(a) Biological activity
(b) Landforms
(c) Climate
(d) Soil
Answer: (c)
10. ‘Kyoto Protocol’, an agreement signed by various countries, is associated with
(a) International trade
(b) Deep sea oil and mineral exploration
(c) Clean environment and climate change
(d) Building common food stock to save
Answer: (C)
(b) 42 kmph
(c) 48 kmph
(d) 54 kmph
Answer: (b)
6. An iron rod of 1 cm diameter and 8 cm length, is drawn into a wire of 18m in length with uniform thickness. The thickness of the wire would be :
(a) 1/21
(b) 1/18
(c) 1/15
(d) 1/12
Answer: (c)
7. A 60 m long train travels at a uniform speed of 72 kmph. It passes non-stop along the 600m platform of a wayside station. What is the elapsed time for the train to entirely clear the platform ?
(a) 30 seconds
(b) 31 seconds
(c) 32 seconds
(d) 33 seconds
Answer:(d)
8. Train A is 75 m long and travels at a uniform speed of 54 km/hour. Train S is 125 m long and travels at a uniform speed of 36 km/hour in the direction opposite to that of Train A. If these trains are crossing at a double-track stretch, what is the time taken for the two trains to fully clear each other ?
(a) 10 seconds
(b) 8 seconds
(c) 7.2 seconds
(d) 6.6 seconds
Answer: (b)
9. Biome, largest recognizable assemblage of animals and plants on the Earth. is controlled mainly by :
(a) Biological activity
(b) Landforms
(c) Climate
(d) Soil
Answer: (c)
10. ‘Kyoto Protocol’, an agreement signed by various countries, is associated with
(a) International trade
(b) Deep sea oil and mineral exploration
(c) Clean environment and climate change
(d) Building common food stock to save
Answer: (C)
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