GATE Practice Question and Answer
8Q: A person lends Rs. 1540 for five years and Rs. 1800 for four years. If he gets Rs. 1788 as interest on both amounts, what is the rate of interest ? 1942 05b5cc6c8e4d2b4197774deec
5b5cc6c8e4d2b4197774deec- 114.5%false
- 211%false
- 312%true
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Answer : 3. "12%"
Explanation :
Answer: C) 12% Explanation: Let the interest rate be r% We know that, S.I = PTR/100 => (1540 x 5 x r)/100 + (1800 x 4 x r)/100 = 1788 => r = 178800/14900 = 12%
Q: What steps do you follow to study a problem before making a decision ? 1942 05b5cc76ae4d2b4197774fea2
5b5cc76ae4d2b4197774fea2- Show AnswerHide Answer
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Answer :
Explanation :
The interviewer wants to know that you don't just jump into a solution without knowing the problem in detail. You want to study the problem by determining the cause of the problem, what the problem is, and what the possible solutions are. You then decide on a solution.Following steps for problem-solving and decision-making can be very helpful.- Define the problem to be solved and decision to be made.- Gather the necessary information. - List all possible choices. - Consider possible outcomes for each choice. - Check out how you feel about each of the choices. - Relate the choices to your values and priorities. - From the possible alternatives, choose one. - Commit yourself to your chosen decision and disregard the others. Concentrate your energies in one direction. Once we made our decision, we must focus all our work on that itself.- Take steps to turn your decision into positive action. - Evaluate your progress from time to time. Change your decision if necessary.
Q: A can complete 9/10 part of a work in 31 days. After that, with the help of B he can complete the remaining work in 4 days. In how many days will A and B together can complete that work ? 1936 05b5cc6c0e4d2b4197774db14
5b5cc6c0e4d2b4197774db14- 136false
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Answer : 2. "40"
Explanation :
Answer: B) 40 Explanation: Remaining work = 1 - 9/10 = 1/10 => A & B together completes 1/10 of work in 4 days => 1 work can completed in ------ ? days Let it be x days => 4110=x1 => x = 40 days. Hence, A & B together can complete the work in 40 days.
Q: There are two numbers such that the sum of twice the first number and thrice the second number is 100 and sum of thrice the first number and twice the second number is 120. Which is the larger number ? 1935 05b5cc736e4d2b4197774f892
5b5cc736e4d2b4197774f892- 132true
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Answer : 1. "32"
Explanation :
Answer: A) 32 Explanation: Let the first number be K and second number be LThen, 2K + 3L = 100.....(1)3K + 2L = 120.......(2)solving (1)&(2), we getK = 32 and L = 12 Hence the largest number is 32.
Q: A train-A passes a stationary train B and a pole in 24 sec and 9 sec respectively. If the speed of train A is 48 kmph, what is the length of train B? 1935 05b5cc698e4d2b4197774c613
5b5cc698e4d2b4197774c613- 1200 mtstrue
- 2180 mtsfalse
- 3160 mtsfalse
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Answer : 1. "200 mts"
Explanation :
Answer: A) 200 mts Explanation: Length of train A = 48 x 9 x 5/18 = 120 mts Length of train B = 48 x 24 x 5/18 - 120 => 320 - 120 = 200 mts.
Q: Which statement best describes an igneous intrusion? 1933 05b5cc6a8e4d2b4197774cea2
5b5cc6a8e4d2b4197774cea2- 1Igneous intrusion for when ice crystals splash into lavafalse
- 2Magma is injected into surrounding rock forming an igneous intrusivetrue
- 3Magma is exported to an open area and forms ironfalse
- 4Magma explodes to the surface and forms a smooth outer layer of rockfalse
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Answer : 2. "Magma is injected into surrounding rock forming an igneous intrusive"
Explanation :
Answer: B) Magma is injected into surrounding rock forming an igneous intrusive Explanation: Magma is injected into surrounding rock forming an igneous intrusive. Actually it is a plutonic formation in which magma present beneath Earth surface deforms the shape of rocks present above it
Q: what is the source of energy for the water cycle? 1932 05b5cc611e4d2b4197774b640
5b5cc611e4d2b4197774b640- 1Rain waterfalse
- 2Suntrue
- 3Cloudsfalse
- 4Animalsfalse
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Answer : 2. "Sun"
Explanation :
Answer: B) Sun Explanation: The water cycle is a term for the movement of water between the Earth's surface, the sky and underground. Water evaporates due to heat from the sun. Hence, the water cycle is driven primarily by the energy from the sun. This solar energy drives the cycle by evaporating water from the oceans, lakes, rivers, and even the soil. Other water moves from plants to the atmosphere through the process of transpiration.
Q: A is the father of B. But B is not the son of A. Then what is B to A? 1932 05b5cc695e4d2b4197774c52f
5b5cc695e4d2b4197774c52f- 1Grandfatherfalse
- 2Son-in-lawfalse
- 3Granddaughterfalse
- 4Daughtertrue
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Answer : 4. "Daughter"
Explanation :
Answer: D) Daughter Explanation: The relation is father and daughter. As we go with male gender, will be son of A. But it is given in the question that B is not the son of A. Hence, te only possile is B is female and B is daughter of A.

