IIT JEE Practice Question and Answer
8Q: A bill presented in Parliament becomes an Act after - 1825 05b5cc6d3e4d2b4197774e4e6
5b5cc6d3e4d2b4197774e4e6- 1The Prime Minister has signed itfalse
- 2The Supreme Court has declared it to be within the competence of the Union Parliamentfalse
- 3The President has given her/his assenttrue
- 4It is passed by both the Housesfalse
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Answer : 3. "The President has given her/his assent"
Explanation :
Answer: C) The President has given her/his assent Explanation:
Q: Lucky started working 2 years ago. Her starting salary was half of Karthik's salary at that time. Each year since then Lucky and Karthik have received a rise of 10% in their respective salary. What percentage (to the nearest percent) of Karthik's current salary is Lucky's current salary ? 1825 05b5cc6cfe4d2b4197774e2f9
5b5cc6cfe4d2b4197774e2f9- 175%false
- 222.5%false
- 335%false
- 450%true
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Answer : 4. "50%"
Explanation :
Answer: D) 50% Explanation: Let the salary of Karthik 2 years ago be Rs.100So, Lucky's salary 2 years ago was Rs.50 Karthik's present salary has seen two 10 percent increases. So as Lucky's salary. So, Karthik's salary 1 year ago = 100 + 10% of 100 = 100 + 10 = 110.Karthik's present salary = 110 + 10% of 110 = 110 + 11 = 121. Lucky's salary 1 year ago = 50 + 10% of 50 = 50 + 5 = 55Lucky's present salary = 55 + 10% of 55 = 55 + 5.5 = 60.5 Lucky's present salary of 60.5 = 50% of Karthik's present salary of 121.
Q: Antonym of the Word : efface 1824 05b5cc6d1e4d2b4197774e406
5b5cc6d1e4d2b4197774e406- 1burnfalse
- 2facefalse
- 3erasetrue
- 4createfalse
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Answer : 3. "erase"
Explanation :
Answer: C) erase Explanation:
Q: Which Country has listed Yoga as a "sports activities"? 1824 15b5cc6bee4d2b4197774d99c
5b5cc6bee4d2b4197774d99c- 1Saudi Arabiatrue
- 2UAEfalse
- 3Sloveniafalse
- 4Pakistanfalse
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Answer : 1. "Saudi Arabia"
Explanation :
Answer: A) Saudi Arabia Explanation:
Q: There are 3 bags, in 1st there are 9 Mangoes, in 2nd 8 apples & in 3rd 6 bananas. There are how many ways you can buy one fruit if all the mangoes are identical, all the apples are identical, & also all the Bananas are identical ? 1824 05b5cc705e4d2b4197774f253
5b5cc705e4d2b4197774f253- 123true
- 2432false
- 322false
- 4431false
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Answer : 1. "23"
Explanation :
Answer: A) 23 Explanation: As in this problem , buying any fruit is different case , as buying apple is independent from buying banana. so ADDITION rule will be used. C19+C18+C16 = 23 will be answer.
Q: A room contains 3 brown, 5 black and 4 white chairs. Two chairs are picked and are put in the lawn. What is the probability that none of the chairs picked is white ? 1823 05b5cc6c5e4d2b4197774ddbe
5b5cc6c5e4d2b4197774ddbe- 114/33true
- 214/55false
- 312/55false
- 413/33false
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Answer : 1. "14/33"
Explanation :
Answer: A) 14/33 Explanation: Total number of chairs = (3 + 5 + 4) = 12. Let S be the sample space. Then, n(s)= Number of ways of picking 2 chairs out of 12 = 12×11/2×1 = 66 Let n(E) = number of events of selecting 2 chairs for selecting no white chairs. => 8C2 = 8×7/2×1 = 28 Therefore required probability = 28/66 = 14/33.
Q: The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number ? 1823 05b5cc6d8e4d2b4197774e7af
5b5cc6d8e4d2b4197774e7af- 157false
- 275false
- 348false
- 439true
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Answer : 4. "39"
Explanation :
Answer: D) 39 Explanation: Let the two-digit number be 10a + ba + b = 12 --- (1)If a>b, a - b = 6If b>a, b - a = 6If a - b = 6, adding it to equation (1), we get2a = 18 => a =9so b = 12 - a = 3Number would be 93.if b - a = 6, adding it to the equation (1), we get2b = 18 => b = 9a = 12 - b = 3.Number would be 39.There fore, Number would be 39 or 93.
Q: How many medals has been bagged by Indian athletes at World Dwarf Games 2017 ? 1823 05b5cc6cbe4d2b4197774e0b8
5b5cc6cbe4d2b4197774e0b8- 134false
- 237true
- 339false
- 440false
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Answer : 2. "37"
Explanation :
Answer: B) 37 Explanation: