GATE Practice Question and Answer
8Q: What are the Multiples of 18? 1417 05b5cc6b8e4d2b4197774d648
5b5cc6b8e4d2b4197774d648- 1144false
- 272false
- 3306false
- 4All the abovetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: The Multiples of 18 are 18, 36, 54, 72, 90, 108, 126, .... Multiples of 18 are nothing but numbers which are divisible by 18 leaving remainder 0. An infinite number of multiples of 18 can be achieved by adding 18 to each subsequent multiple.
Q: How many times can you subtract 5 from 25? 1416 05b5cc683e4d2b4197774c2c0
5b5cc683e4d2b4197774c2c0- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
Technically or logically it is possible only once. As if you subtract 5 from 25 at first te result will be 20. Now, you can't subtract 5 from 25 since the left number is 20. But if you go mathematically, it can be done infinite times and only 5 times without going into the negatives.
Q: Find the length of a train if it takes 10 seconds to cross a pole and double of this time to cross a platform of length 200 mts ? 1415 05b5cc6cae4d2b4197774e081
5b5cc6cae4d2b4197774e081- 1180 mtsfalse
- 2190 mtsfalse
- 3200 mtstrue
- 4210 mtsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "200 mts"
Explanation :
Answer: C) 200 mts Explanation: Let the length of the train be 'L' mts let the speed of the train be 'S' m/s Given it crosses a pole in 10 sec=> L/S = 10 ......(1)Given it takes 20 sec (double of pole) to cross a platform of length 200 mts => (L + 200)/S = 20 => L/S + 200/S = 20 But from (1) L/S = 10 => 200/S = 20 - 10 => S = 20 m/s Then, from (1) => L = 10 x 20 = 200 mts. Hence, the length of the train = 200 mts.
Q: If in the following set of numbers, the first and the third digits are interchanged in each number, which number will be second from the end if arranged in ascending order after interchanging the digits ? 585 546 514 404 206 369 1415 05b5cc73de4d2b4197774f92f
5b5cc73de4d2b4197774f92f- 1404false
- 2585false
- 3415true
- 4602false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "415"
Explanation :
Answer: C) 415 Explanation: Given numbers are 585 546 514 404 206 369Then interchanging the 1st and 3rd digits of the given numbers, we get585 645 415 404 602 963Now, arranging them in ascending order963 645 602 585 415 404Then the last second number is 415.
Q: I am always infront of you, but you will never see me. Who am I? 1414 05b5cc669e4d2b4197774bf8c
5b5cc669e4d2b4197774bf8c- 1Mirrorfalse
- 2Shadowfalse
- 3Futuretrue
- 4None of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Future"
Explanation :
Answer: C) Future Explanation: Yes, future is always infront of us, but no one can see it.
Q: Are Alternate Exterior Angles congruent? 1414 05b5cc6abe4d2b4197774cfef
5b5cc6abe4d2b4197774cfef- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "TRUE"
Explanation :
Answer: A) TRUE Explanation: We know that, Alternate Exterior Angles Theorem:: The Alternate Exterior Angles Theorem states that, when two parallel lines are cut by a transversal, the resulting alternate exterior angles are congruent . Converse of the Alternate Exterior Angles Theorem :: Converse of the Alternate Exterior Angles Theorem states that, If two lines are cut by a transversal and the alternate exterior angles are congruent, then the lines are parallel.
Q: 125% as a Fraction? 1413 05b5cc6aae4d2b4197774cf7f
5b5cc6aae4d2b4197774cf7f- 11/4false
- 23/4false
- 35/4true
- 47/4false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "5/4"
Explanation :
Answer: C) 5/4 Explanation: Literally any percentage means divide by 100. So 125% = 125100. That can be reduced to 5/4. To convert to a decimal, you can do long division, dividing 5 into 4.
Q: What is the difference between the number of uneducated females in city P and that of uneducated males in city S ? 1410 05b5cc6c8e4d2b4197774df37
5b5cc6c8e4d2b4197774df37- 19 lakhstrue
- 26 lakhsfalse
- 33 lakhsfalse
- 42 lakhsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "9 lakhs"
Explanation :
Answer: A) 9 lakhs Explanation: Educated females in city P = 25 lakhs Uneducated females in city P = 30 - 25 = 5 lakhs Educated males city S = 21 lakhs Educated males in city S = 35 - 21= 14 lakhs Required difference = 14 - 5 = 9 lakhs

