IIT JEE Practice Question and Answer
8Q: What letter will come in place of question mark ? L J H J P D P ? E 19547 05b5cc6cde4d2b4197774e1d6
5b5cc6cde4d2b4197774e1d6- 1Kfalse
- 2Lfalse
- 3Pfalse
- 4Itrue
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Answer : 4. "I"
Explanation :
Answer: D) I Explanation: Sum of place value in a row is 30. So the letter which comes in place of '?' is 'I'.
Q: Find the total numbers greater than 4000 that can be formed with digits 2, 3, 4, 5, 6 no digit being repeated in any number ? 1464 05b5cc6cde4d2b4197774e1db
5b5cc6cde4d2b4197774e1db- 1120false
- 2256false
- 3192true
- 4244false
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Answer : 3. "192"
Explanation :
Answer: C) 192 Explanation: We are having with digits 2, 3, 4, 5 & 6 and numbers greater than 4000 are to be formed, no digit is repeated. The number can be 4 digited but greater than 4000 or 5 digited. Number of 4 digited numbers greater than 4000 are4 or 5 or 6 can occupy thousand place => 3 x P34 = 3 x 24 = 72. 5 digited numbers = P55 = 5! = 120 So the total numbers greater than 4000 = 72 + 120 = 192
Q: At a certain rate of interest the compound interest of 3 years and simple interest of 5 years for certain sum of money is respectively Rs. 1513.2 and Rs. 2400. Find the common rate of interest per annum ? 2839 05b5cc6cde4d2b4197774e1cc
5b5cc6cde4d2b4197774e1cc- 15%true
- 26%false
- 34%false
- 43%false
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Answer : 1. "5%"
Explanation :
Answer: A) 5% Explanation: Given compound interest for 3 years = Rs. 1513.2 and simple interest for 5 years = Rs. 2400 Now, we know that C.I = P1+R100n - 1 => 1513.2 = P1+R1003 - 1 ...........(A) And S.I = PTR/100 => 2400 = P5R/100 ..................(B) By solving (A) & (B), we get R = 5%.
Q: A vertical toy 18 cm long casts a shadow 8 cm long on the ground. At the same time a pole casts a shadow 48 m. long on the ground. Then find the height of the pole ? 3868 05b5cc6cde4d2b4197774e1c2
5b5cc6cde4d2b4197774e1c2- 11080 cmfalse
- 2180 mfalse
- 3108 mtrue
- 4118 cmfalse
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Answer : 3. "108 m"
Explanation :
Answer: C) 108 m Explanation: We know the rule that, At particular time for all object , ratio of height and shadow are same. Let the height of the pole be 'H' Then 188=H48 => H = 108 m.
Q: Shivanasamudra Falls is situated on the bank of ______ river ? 1597 05b5cc6cde4d2b4197774e1c7
5b5cc6cde4d2b4197774e1c7- 1Indusfalse
- 2Kaveritrue
- 3Gangafalse
- 4Brahmaputrafalse
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Answer : 2. "Kaveri"
Explanation :
Answer: B) Kaveri Explanation: Shivanasamudra is a famous waterfall situated in Mandya District of Karnataka State. Gaganachukki and Barachukki Falls are collectively called as Shivanasamudra Falls.
Q: The fastest growing plant is ______ ? 2004 05b5cc6cde4d2b4197774e1b3
5b5cc6cde4d2b4197774e1b3- 1Ashokafalse
- 2Banyanfalse
- 3Eucalyptustrue
- 4Rosefalse
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Answer : 3. "Eucalyptus"
Explanation :
Answer: C) Eucalyptus Explanation:
Q: If MILITARY can be written as 1, 2, 3, 2, 4, 5, 6, 7 then how can TIMLI be written in that code ? 2306 05b5cc6cde4d2b4197774e1b8
5b5cc6cde4d2b4197774e1b8- 12, 3, 1, 4, 2false
- 24, 2, 1, 5, 7false
- 33, 4, 5, 1, 6false
- 44, 2, 1, 3, 2true
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Answer : 4. "4, 2, 1, 3, 2"
Explanation :
Answer: D) 4, 2, 1, 3, 2 Explanation:
Q: Which can not be formed using the letters of the given word ? CONCEPTUALIZATION 4829 05b5cc6cde4d2b4197774e1bd
5b5cc6cde4d2b4197774e1bd- 1Actualfalse
- 2Petroltrue
- 3Totalfalse
- 4Petalfalse
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Answer : 2. "Petrol"
Explanation :
Answer: B) Petrol Explanation: