GATE Practice Question and Answer
8Q: If 'A$B' means ' A is father of B ', 'A#B' means ' A is daughter of B ', 'A@B' means ' A is sister of B ' then how is K related to Lin "H@K$L#M" ? 1776 05b5cc777e4d2b419777500d9
5b5cc777e4d2b419777500d9- 1Husbandtrue
- 2Unclefalse
- 3Fatherfalse
- 4Cannot be determinedfalse
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Answer : 1. "Husband"
Explanation :
Answer: A) Husband Explanation:
Q: There are seven persons P, Q, R, S, T, U and V up on a ladder(not in this order).P is further up than T but is lower than R. Q is in the middle. V is between P and Q. T is between Q and U. If U is between T and S, the person on the bottom step of the ladder will be ? 5518 05b5cc777e4d2b419777500c0
5b5cc777e4d2b419777500c0- 1Strue
- 2Rfalse
- 3Ufalse
- 4Tfalse
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Answer : 1. "S"
Explanation :
Answer: A) S Explanation: Here as given Q is in the middle and it satisfies all other conditions given in the question.
Q: Conditions: I is brother of J K is father of I L is brother of M M is daughter of J , then Who is I to L? 1443 05b5cc777e4d2b419777500bb
5b5cc777e4d2b419777500bb- 1Grand fatherfalse
- 2Uncletrue
- 3Sonfalse
- 4Brotherfalse
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Answer : 2. "Uncle"
Explanation :
Answer: B) Uncle Explanation:
Q: Vishal is 24th from either end of the row of boys ? How many boys are there in the row ? 1247 05b5cc777e4d2b4197775009d
5b5cc777e4d2b4197775009d- 148false
- 249false
- 346false
- 447true
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Answer : 4. "47"
Explanation :
Answer: D) 47 Explanation: Given that Vishal is 24th from either end of the row i.e from two sides 1 2 3 4 5 . . . . . .24 23 22 21 20 . . . . . 5 4 3 2 1 Here before Vishal there are 23 members and after Vishal there are 23 members = 23+1+23 --> 47 members in the row.
Q: A man rows his boat 60 km downstream and 30 km upstream taking 3 hrs each time. Find the speed of the stream ? 1654 05b5cc777e4d2b41977750098
5b5cc777e4d2b41977750098- 15 kmphtrue
- 210 kmphfalse
- 315 kmphfalse
- 445 kmphfalse
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Answer : 1. "5 kmph"
Explanation :
Answer: A) 5 kmph Explanation: Speed of the boat downstream s=a/t= 60/3 = 20 kmph Speed of the boat upstream s= d/t = 30/3= 10 kmph Therefore, The speed of the stream = speed of downstream - speed of upstream2=5 kmph
Q: A Child has 1200 five rupee coins. He wants to place them in such a way that the number of rows and the number of columns remains the same. What is the minimum number of coins that he needs more for this purpose? 1586 05b5cc774e4d2b41977750070
5b5cc774e4d2b41977750070- 1125false
- 296false
- 335false
- 425true
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Answer : 4. "25"
Explanation :
Answer: D) 25 Explanation: We know that, to be in the form that the number of rows and the number of columns to be equal the number should be a perfect square (a2). Given number is 1200 The perfect number which is above and near to 1200 is 1225 which is 35 35. Therefore, The minimum number of coins he need is 25.
Q: Out of 120 students in aschool, 5% can play all the three games Cricket, Chess and Carroms. If so happens that the number of players who can play any and only two games is 30. The number of students who can play the Cricket alone is 40. What is the total number of those who can play Chess alone or Carroms alone ? 8670 05b5cc774e4d2b4197775006b
5b5cc774e4d2b4197775006b- 145false
- 244true
- 346false
- 424false
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Answer : 2. "44"
Explanation :
Answer: B) 44 Explanation: Given U=120 5% of 120 = 6 Therefore, Students who can play Chess alone or Carroms alone = 120 - (30+40+6)= 44
Q: Bhel commissions another 600Mw thermal unit in which state ? 1489 15b5cc774e4d2b41977750061
5b5cc774e4d2b41977750061- 1Telanganatrue
- 2Andhra Pradeshfalse
- 3Chattisgarhfalse
- 4Karnatakafalse
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Answer : 1. "Telangana"
Explanation :
Answer: A) Telangana Explanation: