GATE Practice Question and Answer

Q: There are five bags. In the first bag we put some fruits. Each bag the number of fruits is reduced by 1/4. The last bag contains 4. Then the number of fruits in the first bag is ? 1401 0

  • 1
    2596
    Correct
    Wrong
  • 2
    1024
    Correct
    Wrong
  • 3
    256
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 2. "1024"
Explanation :

Answer: B) 1024 Explanation: Fruits reduced by 1/4.Total no. of bags N = 5Formula to find no. of fruits in 1st bag = 4^nLast Bag = 4 fruits.That means, 4th bag = 4 x 4 = 16 fruits3rd bag = 16 x 4 = 64 fruits2nd bag = 64 x 4 = 256 fruits1st bag = 256 x 4= 1024 fruits.

Q: In the given number series which follows the definite rules then find out the value of (M, N, O, and P) in second number series. 7  18  42  94  204 4   M   N    O     P What value will come in place of P? 1400 0

  • 1
    179
    Correct
    Wrong
  • 2
    184
    Correct
    Wrong
  • 3
    164
    Correct
    Wrong
  • 4
    156
    Correct
    Wrong
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Answer : 4. "156"
Explanation :

Answer: D) 156 Explanation: Here the given series 7  18  42  94  204 follows a pattern that,  7 7 ×2+4 = 18 18 ×2+6 = 42 42 ×2+10 = 94 94 ×2+16 = 204 Similarly, 4 4 ×2+4 = 12 12 ×2+6 = 30 30 ×2+10 = 70 70 ×2+16 = 156 Hence, the value of P = 156.

Q: Nuclear Fission is caused by the impact of 1399 0

  • 1
    Electron
    Correct
    Wrong
  • 2
    Neutron
    Correct
    Wrong
  • 3
    Proton
    Correct
    Wrong
  • 4
    Deutron
    Correct
    Wrong
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Answer : 2. "Neutron"
Explanation :

Answer: B) Neutron Explanation: In nuclear physics, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei). The fission process often produces free neutrons and releases a very large amount of energy.   Thus, The Nuclear Fission is caused by the impact of Neutrons.

Q: One-third of the boys and one-half of the girls of a college participated in a sport. If the number of participating students is 300, out of which 100 are boys. What is the total number of students in the college ? 1398 0

  • 1
    550
    Correct
    Wrong
  • 2
    575
    Correct
    Wrong
  • 3
    625
    Correct
    Wrong
  • 4
    700
    Correct
    Wrong
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Answer : 4. "700"
Explanation :

Answer: D) 700 Explanation: Let number of boys = B Number of girls = G From the given data, 1B/3 + 1G/2 = 300 But given B/3 = 100 => B = 300 G/2 = 300 - 100 G = 200 x 2 => G = 400 Therefore, total number of students in the college = B + G = 700.

Q: Updated List of Cabinet Ministers of India in September 2017 ? 1398 0

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Answer :
Explanation :

Sr. No             Minister                         Portfolio  1.           Shri Narendra Modi         Prime Minister and also in-charge of:                                                            – Ministry of Personnel                                                            – Public Grievances and Pensions                                                            – Department of Atomic Energy                                                            – Department of Space   All important policy issues and all other portfolios not allocated to any Minister.   2.           Shri Raj Nath Singh         Minister of Home Affairs   3.           Smt. Sushma Swaraj       Minister of External Affairs   4.           Shri Arun Jaitley            -  Minister of Finance                                                     – Minister of Corporate Affair  5.           Shri Nitin Jairam Gadkari   – Minister of Road Transport & Highway                                                       – Minister of shipping                                                        – Minister of Water Resources, River Development & Ganga Rejuvenation  6.           Suresh Prabhu                     Minister of Commerce & Industry  7.           D.V Sadananda Gowda        Minister of Statistics & Programme Implementation  8.           Sushri Uma Bharati             Minister of Drinking Water & Sanitation  9.           Nirmala Sitharaman            Minister of Defence  10.         Mukhtar Abbas Naqvi          Minister of Minority Affairs  11.         Shri Ramvilas Paswan         Minister of Consumer Affairs, Food & Public Distribution  12.         Maneka Sanjay Gandhi       Minister of Women & Child Development  13.         Shri Ananth Kumar          – Minister of Chemicals & Fertilizers                                                    – Ministry of Parliamentary Affairs  14.         Shri. Ravi Shankar Prasad    – Minister of Law & Justice                                                                                                    – Minister of Electronics & Information Technology           15.         Shri Jagat Prakash Nadda      Minister of Health & Family Welfare 16.         Ashok Gajapathi Raju Pusapati     Minister of Civil Aviation 17.         Shri. Anant Geete                      Minister of Heavy Industries & Public Enterprises      18.         Smt. Harsimrat Kaur Badal         Minister of Food Processing Industries 19.         Shri Narendra Singh Tomar         – Minister of Rural Development                                                             – Minister of Panchayati Raj                                                            – Minister of Drinking Water & Sanitation 20.         Shri Chaudhary Birender Singh      Minister of Steel 21.         Shri Jual Oram                              Minister of Tribal Affairs 22.         Shri Radha Mohan Singh                Minister of Agriculture & Farmers Welfare           23.         Shri Thawar Chand Gehlot              Minister of Social Justice & Empowerment 24.         Smt. Smriti Irani                           – Minister of Textiles                                                                – Minister of Information & Broadcasting             25.         Dr Harsh Vardhan                         – Minister of Science & Technology                                                                – Minister of Earth Sciences                                                               – Minister of Environment, Forest & Climate Change 26.          Prakash Javadekar                        Human Resource Development 27.          Piyush Goyal                                 – Minister of Railways                                                                 – Minster of Coal 28.         Dharmendra Pradhan                     – Minister of Petroleum & Natural Gas                                                                – Minister of Skill Development & Enterprise

Q: Find the value of 1.21x0.91.1x0.11? 1398 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 3. "3"
Explanation :

Answer: C) 3 Explanation: Given   1.21x0.91.1x0.11   = 1.21x100x0.9x101.1x10x0.11x100   = 9   = 3.

Q: When a number is divided by 138 the remainder is 26. What will be the remainder if the same number is divided by 23 ? 1392 0

  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 3. "3"
Explanation :

Answer: C) 3 Explanation: Number = quotient x divisor + remainder;so, herenumber = 138 k + 26=> (23 x 6k) + (23+3)=> 23(6k+1)+3so, remainder is 3.

Q: Manju borrows Rs.5000 for 2 years at 4% p.a. simple interest from Sudha. She immediately lends it to another person at 6 1⁄4% p.a for 2 years. Find her gain in the transaction per year. 1387 0

  • 1
    Rs. 101
    Correct
    Wrong
  • 2
    Rs. 98.5
    Correct
    Wrong
  • 3
    Rs. 124.3
    Correct
    Wrong
  • 4
    Rs. 112.5
    Correct
    Wrong
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Answer : 4. "Rs. 112.5"
Explanation :

Answer: D) Rs. 112.5 Explanation: Manju borrows Rs. 5000 for 2 years at 4% p.a. simple interest  She also lends it at 6 1⁄4% p.a for 2 years  => Total Gain = 6 1/4% − 4% = 2 1/4% So her gain in the transaction for 1 year = The simple interest she gets for Rs.5000 for 1 year at 2 1⁄4% per annum = PTR100=5000×94×1100 = Rs. 112.5/ year.

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