IIT JEE Practice Question and Answer
8Q: What fields did progressives aim to reform? 1794 05b5cc615e4d2b4197774b6bf
5b5cc615e4d2b4197774b6bf- 1workplace conditionsfalse
- 2educationfalse
- 3governmentfalse
- 4All of the abovetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation:
Q: A sum is equally invested in two different schemes on CI at the rate of 15% and 20% for two years. If interest gained from the sum invested at 20% is Rs. 528.75 more than the sum invested at 15%, find the total sum? 1794 05b5cc658e4d2b4197774bde2
5b5cc658e4d2b4197774bde2- 1Rs. 7000false
- 2Rs. 4500false
- 3Rs. 9000true
- 4Rs. 8200false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Rs. 9000"
Explanation :
Answer: C) Rs. 9000 Explanation: Let Rs. K invested in each scheme Two years C.I on 20% = 20 + 20 + 20x20/100 = 44% Two years C.I on 15% = 15 + 15 + 15x15/100 = 32.25% Now, (P x 44/100) - (P x 32.25/100) = 528.75 => 11.75 P = 52875 => P = Rs. 4500 Hence, total invested money = P + P = 4500 + 4500 = Rs. 9000.
Q: Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern ? 1793 05b5cc6e7e4d2b4197774edb5
5b5cc6e7e4d2b4197774edb5- 185 minfalse
- 295 minfalse
- 3105 minfalse
- 4100 mintrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "100 min"
Explanation :
Answer: D) 100 min Explanation: Work done by the third pipe in 1 min = 1/50 - (1/60 + 1/75) = - 1/100.[-ve sign means emptying] The third pipe alone can empty the cistern in 100 min.
Q: Which of these is Not a Carcinogen? 1792 05b5cc6afe4d2b4197774d273
5b5cc6afe4d2b4197774d273- 1Cadmiumfalse
- 2Asbestosfalse
- 3Benzenefalse
- 4All the abovetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: Asbestos can cause Lungs Gastrointestinal tract types of Cancer. Benzene can cause Leukemia Hodgkin's lymphoma types of Cancer. Cadmium can cause Prostate type of Cancer.
Q: What is 7 C in a R represents? 1792 05b5cc6b4e4d2b4197774d4ba
5b5cc6b4e4d2b4197774d4ba- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
7 C in a R represents 7 Colours in a Rainbow.
Q: Can you solve the Math Puzzle ? 1792 05b5cc6d2e4d2b4197774e429
5b5cc6d2e4d2b4197774e429- 112false
- 215true
- 317false
- 419false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "15"
Explanation :
Answer: B) 15 Explanation: The puzzle's logic is 1st figure : (9-7) + (8-5) = 2 + 3 = 5 2nd figure : (15-6) + (11-2) = 9 + 9 = 18 similarly, 3rd figure : (9-6) + (17-5) = 3 + 12 = 15.
Q: Word Challenge 1792 05b5cc6d3e4d2b4197774e559
5b5cc6d3e4d2b4197774e559- 1cellphonefalse
- 2microphonefalse
- 3Mobilephonetrue
- 4None of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Mobilephone"
Explanation :
Answer: C) Mobilephone Explanation: Given 8, 9, 1, 11 letters indicates HOME which is residence 7, 2, 9, 5 indicates POOL where we can swim 1, 4, 5, 11 indicates MILE which is unit of distance 10, 9, 3, 6, 5 is NOBEL which is an International Prize 6, 11 are 'e' and 2, 9 are 'o' are same With all the above hints the word is MOBILEPHONE.
Q: International Day of Happiness is celebrated throughout the world on ? 1791 05b5cc711e4d2b4197774f3eb
5b5cc711e4d2b4197774f3eb- 121st Marchfalse
- 223rd Marchfalse
- 320th Marchtrue
- 419th Marchfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "20th March"
Explanation :
Answer: C) 20th March Explanation: The International Day of Happiness (known as Happiness Day) is celebrated throughout the world on the 20th of March. The International Day of Happiness was founded on June 28, 2012, by the United Nations General Assembly when all 193 member states unanimously adopted UN resolution 66/281. It was celebrated for the first time in 2013.