IIT JEE Practice Question and Answer
8Q: If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ? 3646 05b5cc723e4d2b4197774f672
5b5cc723e4d2b4197774f672- 145 metric tonnestrue
- 247 metric tonnesfalse
- 355 metric tonnesfalse
- 434 metric tonnesfalse
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Answer : 1. "45 metric tonnes"
Explanation :
Answer: A) 45 metric tonnes Explanation: 2 engines of former type for one hour consumes (2 x 24)/(6 x8) = 1 metric ton i.e. 3 engines of latter type consumes 1 ton for one hour Hence 9 engines consumes 3 tons for one hour For 15 hours it is 15 x 3 = 45 metric tonnes.
Q: Which major event in Indian history is also called as 'White Flowing River'? 3643 05b5cc670e4d2b4197774c007
5b5cc670e4d2b4197774c007- 1Partition of Indiafalse
- 2Dandi Marchtrue
- 3Operation Bluestarfalse
- 4Quit India Movementfalse
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Answer : 2. "Dandi March"
Explanation :
Answer: B) Dandi March Explanation: In Indian History, Dandi March or Salt Sathyagraha or The Salt March, also known as the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mohandas Karamchand Gandhi to produce salt from the seawater. It is also called as 'White Flowing River'.
Q: Each consonant in the word TIRADES is replaced by the previous letter in the English alphabet and each vowel is replaced by the next letter in the English alphabet and the new letters are arranged alphabetically. Which of the following will be the fourth from the right end ? 3642 05b5cc736e4d2b4197774f888
5b5cc736e4d2b4197774f888- 1Sfalse
- 2Qfalse
- 3Jtrue
- 4Ufalse
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Answer : 3. "J"
Explanation :
Answer: C) J Explanation: Given word is TIRADESNow the consonants T, R, D, S are replaced by S, Q, C, RAnd Vowels are I, A, E are replaced by J, B and FThey are arranged alphabeticallyNew word is BCFJQRS The fourth letter from the right end is J.
Q: Which statement best describes an O3 molecule? 3636 05b5cc6b3e4d2b4197774d432
5b5cc6b3e4d2b4197774d432- 1The double bond in ozone switches back and forth between the two outer oxygen atomsfalse
- 2An ozone molecule contains one single bond and one double bondtrue
- 3Each atom in ozone is connected to another atom by 1.5 bonds.false
- 4Nonefalse
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Answer : 2. "An ozone molecule contains one single bond and one double bond"
Explanation :
Answer: B) An ozone molecule contains one single bond and one double bond Explanation: Ozone molecule has one single bond and one double bond.
Q: The age of Sohail, Afzal and Bilal are 17,16 and 12 respectively. If the age of Aslam also included the average of the ages is increased by 5. What is the age of Aslam? 3629 05b5cc61ee4d2b4197774b77e
5b5cc61ee4d2b4197774b77e- 132false
- 233false
- 334false
- 435true
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Answer : 4. "35"
Explanation :
Answer: D) 35 Explanation: Given S = 17 yrs A = 16 yrs B = 12 yrs Average = 17 + 16 + 12/3 = 15 yrs Given if Aslam added to them, their average increases by 5 => Average of 4 members = 20 Let the age of Aslam be 'x' Then, 17 + 16 + 12 + x /4 = 20 => x = 80 - 45 => x = 35. Hence, the age of Aslam is 35 yrs.
Q: What is the next number in the given Number Series? 5, 24, 94, 279, ? 3624 05b5cc6b9e4d2b4197774d73e
5b5cc6b9e4d2b4197774d73e- 1587false
- 2554true
- 3489false
- 4499false
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Answer : 2. "554"
Explanation :
Answer: B) 554 Explanation: The given number series follows a pattern that 5 x 5 – 1 = 24 24 x 4 – 2 = 94 94 x 3 – 3 = 279 279 x 2 – 4 = 554
Q: Which of the following statements about Australian football is TRUE? 3613 05b5cc651e4d2b4197774bce0
5b5cc651e4d2b4197774bce0- 1Goals are scored by kicking the ball through goal posts.true
- 2Each team has a number of set plays for both offense and defense.false
- 3Constant movement of the ball is similar to baseball.false
- 4The players tend to wear a large amount of padding.false
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Answer : 1. "Goals are scored by kicking the ball through goal posts."
Explanation :
Answer: A) Goals are scored by kicking the ball through goal posts. Explanation:
Q: Which statement about greek sculpture is false? 3609 05b5cc639e4d2b4197774ba6c
5b5cc639e4d2b4197774ba6c- 1The Greeks admired the strength and precision of athletes and wanted to portray athletic figures.false
- 2The three main principles of Greek aesthetics are proportion, movement, and rhythm.false
- 3Greeks sculptures are typically stiffly posed, highly styled figures.true
- 4All the abovefalse
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Answer : 3. "Greeks sculptures are typically stiffly posed, highly styled figures."
Explanation :
Answer: C) Greeks sculptures are typically stiffly posed, highly styled figures. Explanation: Greek Sculpture are typically stiff, posed & highly styled figures is the false answer.