IIT JEE Practice Question and Answer
8Q: A shop keeper sells an article at a loss of 8%, but when he increases the selling price of the article by Rs. 164 he earns a profit of 2.25% on the cost price. If he sells the same article at Rs. 1760, what is his profit percentage? 2492 05b5cc62ae4d2b4197774b89f
5b5cc62ae4d2b4197774b89f- 12.5%false
- 25%false
- 310%true
- 47.5%false
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Answer : 3. "10%"
Explanation :
Answer: C) 10% Explanation: According to the given data, Let Cost price of the article be 'cp' Then, 102.25 cp - 92 cp = 164 x 100 10.25 cp = 16400 cp = 1600 Now, if he sells at Rs. 1760 Profit = 1760 - 1600 = 160 Profit% = 160/1600 x 100 = 10%.
Q: Which Indian state shares the most borders with other states? 2490 05b5cc626e4d2b4197774b850
5b5cc626e4d2b4197774b850- 1Uttarakhandfalse
- 2Rajasthanfalse
- 3Madhya Pradeshfalse
- 4Uttar Pradeshtrue
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Answer : 4. "Uttar Pradesh"
Explanation :
Answer: D) Uttar Pradesh Explanation: Uttar Pradesh is the Indian state which share the most borders with 9 different states. Neighbouring States of Uttar Pradesh – Uttarakhand and Himachal Pradesh in northwest, Delhi, Haryana and Rajasthan in west, Madhya Pradesh in south, Chhattisgarh in southeast, Bihar and Jharkhand in east.
Q: Who is known as the Second Law Officer of India? 2488 05b5cc6a4e4d2b4197774cc41
5b5cc6a4e4d2b4197774cc41- 1Chief justice of Indiafalse
- 2Law minister of Indiafalse
- 3Attorney general of Indiafalse
- 4Solicitor general of Indiatrue
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Answer : 4. "Solicitor general of India"
Explanation :
Answer: D) Solicitor general of India Explanation: The Solicitor General of India is the second law officer of the country. The Solicitor General of India is below the Attorney General for India, who is the Indian government's chief legal advisor, and its primary lawyer in the Supreme Court of India. The Solicitor General of India is appointed for the period of 3 years. He assists the Attorney General and is himself assisted by several Additional Solicitors General of India.
Q: Sum of present ages of P and Q is 41. Age of P 2 year hence is equal to age of R, 1 year ago. Age of P, 4 year hence is equal to age of Q 1 year ago and ratio of present age of P and S is 3 : 4. Find the difference of age of R and S. 2488 05b5cc6aae4d2b4197774cf4c
5b5cc6aae4d2b4197774cf4c- 12false
- 23true
- 34false
- 45false
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Answer : 2. "3"
Explanation :
Answer: B) 3 Explanation: According to the given data, P + Q = 41 ......(1) R - 1 = P + 2 R = P + 3 and P + 4 = Q - 1 => Q = P + 5 ....(2) From (1)&(2) P = 18 Q = 18 + 5 = 23 R = 18 + 3 = 21 => P/S = 3/4 => S = 4/3 x 18 = 24 Required Difference = S - R = 24 - 21 = 3.
Q: The clipboard 2486 15b5cc672e4d2b4197774c0aa
5b5cc672e4d2b4197774c0aa- 1is a Cache memoryfalse
- 2is a feature that stores user informationfalse
- 3is used to temporarily store, items that has been cut or copiedtrue
- 4is a feature that saves file temporarilyfalse
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Answer : 3. "is used to temporarily store, items that has been cut or copied"
Explanation :
Answer: C) is used to temporarily store, items that has been cut or copied Explanation: A clipboard is a temporary storage area for items that the user wants to cut or copy from one place to another. For example, in a word processor application, the user might want to cut text from one part of a document and paste it in another part of the document or somewhere else, it is temporarily stored in clipboard.
Q: An intelligent boy is doing a jigsaw with 275 pieces. Each day that he fits pieces together there are fewer pieces left, and it is reasonable to assume that he fits more pieces each day because the number left to sort out diminishes progressively. Hence he is able to fit an extra piece as each day goes by. On the first day he fits 20 pieces. How many days does it take for him to complete the puzzle ? 2486 05b5cc71ee4d2b4197774f59a
5b5cc71ee4d2b4197774f59a- 111 daystrue
- 215 daysfalse
- 313 daysfalse
- 416 daysfalse
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Answer : 1. "11 days"
Explanation :
Answer: A) 11 days Explanation: Let 'n' number of days it take to complete. we know that sum of n number= n/2[2a+(n-1)d]where a=20,d=1;n/2[2x20+(n-1)1]=275n[n+39]=550n2 + 39n - 550 = 0 n2+ 50n - 11n - 550 = 0(n-11) (n-50) = 0n-11 = 0;n = 11(Days).
Q: Find the Odd One Out? 4, 6, 12, 30, 81, 315. 2484 05b5cc6aae4d2b4197774cf56
5b5cc6aae4d2b4197774cf56- 16false
- 212false
- 381true
- 4315false
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Answer : 3. "81"
Explanation :
Answer: C) 81 Explanation: Given the number series is 4, 6, 12, 30, 81, 315. Here it follows a pattern that 4 4 x 1.5 = 6 6 x 2 = 12 12 x 2.5 = 30 30 x 3 = 90 not equals to 81 90 x 3.5 = 315 Hence the odd one in the series is 81.
Q: How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together ? 2477 05b5cc6e5e4d2b4197774ed01
5b5cc6e5e4d2b4197774ed01- 17false
- 29true
- 311false
- 45false
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Answer : 2. "9"
Explanation :
Answer: B) 9 Explanation: LCM of 2, 3, 7 is 42. => (700 – 300)/42 = 9 22/42 => 9 Numbers.