IIT JEE Practice Question and Answer
8Q: General Knowledge Challenge : 1785 05b5cc6c6e4d2b4197774de45
5b5cc6c6e4d2b4197774de45- 11false
- 22false
- 33true
- 44false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "3"
Explanation :
Answer: C) 3 Explanation:
Q: If E = 5 and READ is coded as 7, then what is the code of 'DEAR' ? 12401 05b5cc6c6e4d2b4197774de4a
5b5cc6c6e4d2b4197774de4a- 16false
- 27true
- 38false
- 49false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "7"
Explanation :
Answer: B) 7 Explanation: Here E = 5 = 5/1 = 5 => READ = 18 + 5 + 1 + 4 = 28/4 = 7 => DEAR = 4 + 5 + 1 + 18 = 28/4 = 7
Q: The first attempt made to enumerate the population of India was done in which year ? 1810 05b5cc6c6e4d2b4197774de40
5b5cc6c6e4d2b4197774de40- 11884false
- 21896false
- 31921false
- 41872true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "1872"
Explanation :
Answer: D) 1872 Explanation:
Q: The probability that a bowler bowled a ball from a point will hit by the batsman is ¼. Three such balls are bowled simultaneously towards the batsman from that very point. What is the probability that the batsman will hit the ball ? 2057 05b5cc6c6e4d2b4197774de31
5b5cc6c6e4d2b4197774de31- 137/64true
- 227/56false
- 311/13false
- 49/8false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "37/64"
Explanation :
Answer: A) 37/64 Explanation: Probability of not hitting the ball = 1- 1/4 =Then, the probability that the batsman will hit the ball =
Q: Rajeev start a business with Rs. 10000, Deepu joins him after 2 month with 20% more investment than Rajeev, after 2 month Shakti joins him with 40% less than Deepu. If the profit earned by them at the end of the year is equal to the twice of the difference between investment of Rajeev and ten times the investment of Shakti. Find the profit of Rajeev ? 4979 05b5cc6c6e4d2b4197774de2c
5b5cc6c6e4d2b4197774de2c- 150000false
- 248000false
- 338000true
- 440000false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "38000"
Explanation :
Answer: C) 38000 Explanation: Here from the given information, The ratio of investments of Rajeev, Deepu & Shakti is R : D : S = (10000 × 12) : (12000 × 10) : (7200 × 8) = 25 : 25 : 12 Now the Profit = 2 × (72000-10000) = 124000 Share of Rajeev = 124000 x 25/62 = 48000 Profit of Rajeev = 48000 - 10000 = 38000
Q: The difference between circumference and semidiameter of a circle is 37 cm. What is the diameter of the circle ? 1556 05b5cc6c6e4d2b4197774de27
5b5cc6c6e4d2b4197774de27- 118 cmfalse
- 212 cmfalse
- 316 cmfalse
- 414 cmtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "14 cm"
Explanation :
Answer: D) 14 cm Explanation: circumference of a circle = 2πr => 2 × 22/7 × r – r = 37 => 37/7 × r = 37 => r = 7 cm. Diameter D = 2r = 7×2 = 14 cm.
Q: Technology giant Microsoft's India-born CEO ___________ has written his first book "Hit Refresh". 2216 05b5cc6c6e4d2b4197774de1d
5b5cc6c6e4d2b4197774de1d- 1Satya Nadellatrue
- 2Indra Nooyifalse
- 3Kiran Mazumdarfalse
- 4Sundar Pichaifalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Satya Nadella"
Explanation :
Answer: A) Satya Nadella Explanation:
Q: Manish completes a work in 20 days. After 8 days Sriram joined the work. In how many days will the work be completed ? Statements : I. Sriram takes twice the time than Manish to complete the work.II. Sriram completes half the work in 15 days. 1452 05b5cc6c6e4d2b4197774de22
5b5cc6c6e4d2b4197774de22- 1Statement I alone is sufficient to answer the questionfalse
- 2Statement II alone is sufficient to answer the questionfalse
- 3Either the statements I & II is sufficient to answer the questiontrue
- 4Neither the statements I & II is sufficient to answer the questionfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Either the statements I & II is sufficient to answer the question"
Explanation :
Answer: C) Either the statements I & II is sufficient to answer the question Explanation: From statement I, Time taken by Sriram to complete the work = 40 days From statement II, Time taken by Sriram to complete the wok = 30 days So from both either by statement I or statement II we can find the time to complete the work.