GATE Practice Question and Answer
8Q: 125 over 1000 in Simplest Form? 1610 05b5cc6abe4d2b4197774d034
5b5cc6abe4d2b4197774d034- 12/9false
- 21/8true
- 33/8false
- 44/7false
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Answer : 2. "1/8"
Explanation :
Answer: B) 1/8 Explanation: 125 over 1000 in Simplest Form means 1251000 in its simple fraction form. Now, to get the simplest form of 125/1000, find the HCF or GCD of both numerator and denominator i.e, 125 and 1000. HCF of 125, 1000 = 125 Then, divide both numerator and denominator by 125 i.e, 1251251000125 = 18 Hence, 18 is the simplest form of 125 over 1000.
Q: Sriram was conducting an experiment in which the average of 11 observations came to be 92, while the average of first five observations was 89, and that of the last five was 86. What was the measure of the 6th observation ? 1607 05b5cc6d0e4d2b4197774e33d
5b5cc6d0e4d2b4197774e33d- 1134false
- 2137true
- 3139false
- 4141false
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Answer : 2. "137"
Explanation :
Answer: B) 137 Explanation: This can be done as, (11 × 92) - (5 × 89) - (5 × 86) = 1012- 445 - 430 = 137
Q: Find the next number in the series 265, 269, 278, 284, ? 1606 05b5cc767e4d2b4197774fdf7
5b5cc767e4d2b4197774fdf7- 1309true
- 2319false
- 3298false
- 4415false
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Answer : 1. "309"
Explanation :
Answer: A) 309 Explanation: The pattern in the given series is +4, +9, +16, +25, ... i.e. 22,32,42,52... The next number is 284+25 = 309.
Q: How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9 which are divisible by 5 and none of the digits is repeated ? 1606 05b5cc774e4d2b4197775000c
5b5cc774e4d2b4197775000c- 115false
- 220true
- 35false
- 410false
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Answer : 2. "20"
Explanation :
Answer: B) 20 Explanation: Since each number to be divisible by 5, we must have 5 0r 0 at the units place. But in given digits we have only 5. So, there is one way of doing it. Tens place can be filled by any of the remaining 5 numbers.So, there are 5 ways of filling the tens place. The hundreds place can now be filled by any of the remaining 4 digits. So, there are 4 ways of filling it. Required number of numbers = (1 x 5 x 4) = 20.
Q: Choose the synonym of 'Maelstrom' from the following given words ? 1606 05b5cc75ee4d2b4197774fccf
5b5cc75ee4d2b4197774fccf- 1Congregationfalse
- 2Thunderfalse
- 3Miraclefalse
- 4Turmoiltrue
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Answer : 4. "Turmoil"
Explanation :
Answer: D) Turmoil Explanation: 'Maelstrom' refers to a violent and confused state. The word closest in meaning would be 'turmoil', which also means a state of great disturbance.
Q: Describe a time when you made a mistake ? 1606 05b5cc767e4d2b4197774fe1f
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Answer :
Explanation :
Mention the mistake and be honest about it, but always make sure that you follow it up with what you learnt from that episode and the improvements it has brought to your efficiency.
Q: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1605 05b5cc6bee4d2b4197774d9b5
5b5cc6bee4d2b4197774d9b5- 17:1true
- 213:5false
- 315:7false
- 42:7false
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Answer : 1. "7:1"
Explanation :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,
Q: What is the value of KL ? Statement A: K2= 4.Statement B: L = 0. 1605 05b5cc6d2e4d2b4197774e451
5b5cc6d2e4d2b4197774e451- 1Only A is sufficientfalse
- 2Only B is sufficienttrue
- 3Both (A) and (B) are sufficientfalse
- 4A) and (B) are sufficient D)false
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Answer : 2. "Only B is sufficient"
Explanation :
Answer: B) Only B is sufficient Explanation: From statement B, As the value of L = 0, the value of KL = 0. Hence only statement B is sufficient.