GATE Practice Question and Answer
8Q: Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5% ? 3983 05b5cc6e9e4d2b4197774eded
5b5cc6e9e4d2b4197774eded- 1Rs. 500true
- 2Rs. 245false
- 3Rs. 1250false
- 4Rs. 635false
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Answer : 1. "Rs. 500"
Explanation :
Answer: A) Rs. 500 Explanation: (kx5x1)/100 + [(1500 - k)x6x1]/100 = 85 5k/100 + 90 – 6k/100 = 85 k/100 = 5 => k = 500
Q: Pick the odd one out from the given number series? 21, 24, 33, 49, 74 3958 05b5cc604e4d2b4197774b4c9
5b5cc604e4d2b4197774b4c9- 121true
- 224false
- 333false
- 449false
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Answer : 1. "21"
Explanation :
Answer: A) 21 Explanation: The given number series follows a pattern that, 19 + 12 = 20 (not 21)20 + 22 = 2424 + 32 = 3333 + 42 = 4949 + 52 = 74 Hence, the odd number in the given number series is 21.
Q: Which is a green planet in the solar system? 3943 05b5cc6a2e4d2b4197774cb5b
5b5cc6a2e4d2b4197774cb5b- 1Plutofalse
- 2Venusfalse
- 3Uranustrue
- 4Marsfalse
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Answer : 3. "Uranus"
Explanation :
Answer: C) Uranus Explanation: Uranus is the seventh planet from the Sun which looks green color. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both have different bulk chemical composition from that of the larger gas giants Jupiter and Saturn. Colors of other planets:: Mercury - Gray or slightly brownish Venus - Pale yellow Earth - Blue with white clouds Mars - Mostly reddish brown Jupiter - Orange and white bands Saturn - Pale gold Uranus - Green Neptune - Pale blue Pluto - Light brown
Q: Fresh grapes contain 60% water, while dry grapes contain 40% water. How many kgs of dry grapes can be obtained by 60 kg of fresh grapes? 3935 05b5cc6afe4d2b4197774d1e2
5b5cc6afe4d2b4197774d1e2- 125 kgsfalse
- 230 kgsfalse
- 335 kgsfalse
- 440 kgstrue
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Answer : 4. "40 kgs"
Explanation :
Answer: D) 40 kgs Explanation: The fruit content in both the fresh fruit and dry fruit is the same. Let 'p' kgs of dry grapes are obtained from the 60 kgs of fresh grapes => 60 x 40100 = p x 60100=> p = 40 kgs. Therefore, 40 kgs of Dry grapes are obtained from 60 kgs of Fresh grapes.
Q: A man swims downstream 72 km and upstream 45 km taking 9 hours each time; what is the speed of the current ? 3927 05b5cc6e2e4d2b4197774ec52
5b5cc6e2e4d2b4197774ec52- 11 kmphfalse
- 23.2 kmphfalse
- 31.5 kmphtrue
- 42 kmphfalse
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Answer : 3. "1.5 kmph"
Explanation :
Answer: C) 1.5 kmph Explanation: 72 --- 9 ? ---- 1 => Down Stream = 8 45 ---- 9 ? ---- 1 => Up Stream = 5 Speed od current S = ? S = (8 - 5)/2 = 1.5 kmph.
Q: Which of the following is a micro nutrient? 3924 05b5cc642e4d2b4197774bb1f
5b5cc642e4d2b4197774bb1f- 1Mgfalse
- 2Cltrue
- 3Pfalse
- 4Cafalse
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Answer : 2. "Cl"
Explanation :
Answer: B) Cl Explanation: The micronutrients (or trace minerals): boron (B), chlorine (Cl), manganese (Mn), iron (Fe), zinc (Zn), copper (Cu), molybdenum (Mo), nickel (Ni). and cobalt (Co).
Q: The ratio of two positive numbers is 3 : 5 and the average of the number is 48. What is the product of numbers? 3904 15b5cc607e4d2b4197774b558
5b5cc607e4d2b4197774b558- 13365false
- 22160true
- 31854false
- 41632false
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Answer : 2. "2160"
Explanation :
Answer: B) 2160 Explanation: Let the number be 3p and 5p ATQ, 8p = 2 x 48 p = 96/8 p = 12 The numbers are 36 and 60. Hence, the product of the numbers = 36 x 60 = 2160.
Q: Complete the missing number in the given series. 5, 20, 76, (—), 448 3899 05b5cc6f4e4d2b4197774f009
5b5cc6f4e4d2b4197774f009- 1185false
- 2225true
- 3415false
- 4232false
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Answer : 2. "225"
Explanation :
Answer: B) 225 Explanation: The series follows the following pattern 5 X 5 – 5 = 20 20 X 4 – 4 = 76 76 X 3 – 3 = 225 225 X 2 – 2 = 448 Hence, the term 225 denoted by (d) completes the series