GATE Practice Question and Answer

Q: What is the next letter of the following sequence. N , O , M , P , L , Q , K , R , ? 4561 0

  • 1
    S
    Correct
    Wrong
  • 2
    I
    Correct
    Wrong
  • 3
    J
    Correct
    Wrong
  • 4
    T
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "J"
Explanation :

Answer: C) J Explanation: Here the series has mixed two series.n m l k...! reverse alphabeto p q r ...! forward alphabetSo the letter before k is j and after that letter after r is s and so on...

Q: How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed ? 1280 0

  • 1
    5040
    Correct
    Wrong
  • 2
    2525
    Correct
    Wrong
  • 3
    2052
    Correct
    Wrong
  • 4
    4521
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "5040"
Explanation :

Answer: A) 5040 Explanation: The Word LOGARITHMS  contains 10 letters. To find how many 4 letter words we can form from that = P410 =10x9x8x7 = 5040.

Q: Which digits will come in the place of '?' in the following series ? 372, 823, 644, 582, 46?, 8?7 1327 0

  • 1
    4, 4
    Correct
    Wrong
  • 2
    6, 2
    Correct
    Wrong
  • 3
    3, 2
    Correct
    Wrong
  • 4
    2, 5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "6, 2"
Explanation :

Answer: B) 6, 2 Explanation: Given series is 372, 823, 644, 582, 46?, 8?7 Here the series follow the rule that :372 = 3+7+2 = 12823 = 8+2+3 = 13644 = 6+4+4 = 14582 = 5+8+2 = 1546? = 4+6+? = 16 => ? = 68?7 = 8+?+7 = 17 => ? = 2 So the missing numbers are 6 and 2

Q: If N is the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. What is the sum of the digits of N ? 1325 0

  • 1
    6
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "4"
Explanation :

Answer: C) 4 Explanation: N = H.C.F. of (4665 - 1305), (6905 - 4665) and (6905 - 1305) = H.C.F. of 3360, 2240 and 5600 = 1120. Sum of digits in N = ( 1 + 1 + 2 + 0 ) = 4

Q: I learnt from my experience that by______ my anger and resentment, and by avoiding _________ I could overcome opponents more successfully than could those who openly defied their adversaries. 4212 0

  • 1
    suppressing, conflict
    Correct
    Wrong
  • 2
    expressing, hostility
    Correct
    Wrong
  • 3
    stifling, temperance
    Correct
    Wrong
  • 4
    rousing, wrath
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "suppressing, conflict"
Explanation :

Answer: A) suppressing, conflict Explanation:

Q: 640 ml of a mixture contains milk and water in ratio 6:2. How much of the water is to be added to get a new mixture containing half milk and half water ? 1332 0

  • 1
    360 ml
    Correct
    Wrong
  • 2
    320 ml
    Correct
    Wrong
  • 3
    310 ml
    Correct
    Wrong
  • 4
    330 ml
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "320 ml"
Explanation :

Answer: B) 320 ml Explanation: Here total parts of milk and water in the solution is 6+2 = 8 parts. 1part = 640/8 = 80   old mixture contains 6parts of milk and 2 parts of water(6:2).   To get new mixture containing half milk and half water, add 4parts of water to the old mixture then 6:(2+4) to make the ratio same. i.e, 4 x 80 = 320 ml.

Q: At 6′o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12′o clock ? 3426 0

  • 1
    66 sec
    Correct
    Wrong
  • 2
    55 sec
    Correct
    Wrong
  • 3
    36 sec
    Correct
    Wrong
  • 4
    24 sec
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "66 sec"
Explanation :

Answer: A) 66 sec Explanation: For ticking 6 times, there are 5 intervals. Each interval has time duration of 30/5 = 6 secs At 12 o'clock, there are 11 intervals,so total time for 11 intervals = 11 x 6 = 66 secs.

Q: A box contains 90 screws each of 100 gms and 100 bolts each of 150 gms. If the entire box weighs 35.5 kg, then the weight of the empty box is ? 1849 0

  • 1
    10.5 kgs
    Correct
    Wrong
  • 2
    12 kgs
    Correct
    Wrong
  • 3
    9.6 kgs
    Correct
    Wrong
  • 4
    11.5 kgs
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "11.5 kgs"
Explanation :

Answer: D) 11.5 kgs Explanation: Screws weight = 90x100 = 9000gmsbolts weight = 100 x 150 = 15000gmsweight = screws + bolts => 24000 gms =>24 kgGiven entire box weight = 35.5kgempty box = entire box weight - weight => 35.5kg - 24kg => 11.5kgso the empty box is 11.5kg.

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully