IIT JEE Practice Question and Answer
8Q: An implied power is one that 1695 05b5cc655e4d2b4197774bd6e
5b5cc655e4d2b4197774bd6e- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
Implied powers are powers of U.S. government which have not been explicitly granted by the Constitution but that is implied by the necessary and proper clause to be delegated for the purpose of carrying out the enumerated powers.
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? 1695 05b5cc6bee4d2b4197774d9b5
5b5cc6bee4d2b4197774d9b5- 17:1true
- 213:5false
- 315:7false
- 42:7false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "7:1"
Explanation :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,
Q: In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels never come together? 1694 05b5cc69de4d2b4197774c919
5b5cc69de4d2b4197774c919- 11440false
- 2720false
- 32250false
- 43600true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "3600"
Explanation :
Answer: D) 3600 Explanation: Given word is THERAPY. Number of letters in the given word = 7 These 7 letters can be arranged in 7! ways. Number of vowels in the given word = 2 (E, A) The number of ways of arrangement in which vowels come together is 6! x 2! ways Hence, the required number of ways can the letters of the word 'THERAPY' be arranged so that the vowels never come together = 7! - (6! x 2!) ways = 5040 - 1440 = 3600 ways.
Q: What element is found in all organic compounds? 1694 05b5cc69de4d2b4197774c956
5b5cc69de4d2b4197774c956- 1Hydrogenfalse
- 2Calciumfalse
- 3Nitrogenfalse
- 4Carbontrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Carbon"
Explanation :
Answer: D) Carbon Explanation: Carbon is found in all organic compounds.
Q: Third proportion of 10 and 20 is 1694 05b5cc66de4d2b4197774bfa0
5b5cc66de4d2b4197774bfa0- 130false
- 240true
- 325false
- 420false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "40"
Explanation :
Answer: B) 40 Explanation: The third proportional of two numbers p and q is defined to be that number r such that p : q = q : r. Here, required third proportional of 10 & 20, and let it be 'a' => 10 : 20 = 20 : a 10a = 20 x 20 => a = 40 Hence, third proportional of 10 & 20 is 40.
Q: Which State is the "most corrupt state" According to the National Crime Records Bureau (NCRB)? 1694 05b5cc6bce4d2b4197774d886
5b5cc6bce4d2b4197774d886- 1B)? A)false
- 2? A) Manipur B) Maharashtratrue
- 3Himachal Pradeshfalse
- 4Uttarakhandfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "?
A) Manipur
B) Maharashtra"
Explanation :
Answer: B) Maharashtra Explanation:
Q: What question can you never answer yes to? 1694 05b5cc619e4d2b4197774b746
5b5cc619e4d2b4197774b746- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
When you are Asleep or Dead, you cannot answer Are you Asleep or Dead?
Q: A man walks at a speed of 2 km/hr and runs at a speed of 6 km/hr. How much time will the man require to cover a distance of 20 1/2 km, if he completes half of the distance, i.e., (10 1/4) km on foot and the other half by running ? 1693 05b5cc6dfe4d2b4197774eaf8
5b5cc6dfe4d2b4197774eaf8- 112.4 hrsfalse
- 211.9 hrstrue
- 310.7 hrsfalse
- 49.9 hrsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "11.9 hrs"
Explanation :
Answer: B) 11.9 hrs Explanation: We know that Time = Distance/speedRequired time = (10 1/4)/2 + (10 1/4)/6 = 41/8 + 41/6= 287/24 = 11.9 hours.