IIT JEE Practice Question and Answer
8Q: The Largest Component of National Income is 2051 05b5cc6b1e4d2b4197774d323
5b5cc6b1e4d2b4197774d323- 1Proprietors Incomefalse
- 2Compensation of Employeestrue
- 3Corporate Profitsfalse
- 4Rental Incomefalse
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Answer : 2. "Compensation of Employees"
Explanation :
Answer: B) Compensation of Employees Explanation: National Income is the total income value of the goods and services produced by the residents of a country, usually during the period of one year. National Income is categorized into 6 components. They are : 1. Compensation of Employees (Wages and Benefits) 2. Corporate Profits 3. Rental Income 4. Proprietors Income (Income of unincorporated business) 5. Net Interest The Largest Component of National Income is Compensation of Employees. The Largest component of National Income in India is Service Sector.
Q: A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is ? 2050 05b5cc6dfe4d2b4197774eacb
5b5cc6dfe4d2b4197774eacb- 145/7 %false
- 250/9 %true
- 351/7 %false
- 447/ 9 %false
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Answer : 2. "50/9 %"
Explanation :
Answer: B) 50/9 % Explanation: Let sum = S. Then, amount = 7S/6 S.I. = 7S/6 - S = S/6; Time = 3 years. Rate = (100 x S) / (S x 6 x 3) = 5 5/9 = 50/9 %.
Q: A and B started a business investing the money in ratio 4:6, after 6 months B withdraw his investment and C joins him with twice the amount of B. At the end of the year total profit is Rs.3315. Find share of C ? 2048 05b5cc6c5e4d2b4197774ddd7
5b5cc6c5e4d2b4197774ddd7- 1Rs. 450false
- 2Rs. 1020false
- 3Rs. 765false
- 4Rs. 1530true
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Answer : 4. "Rs. 1530"
Explanation :
Answer: D) Rs. 1530 Explanation: Ratio of investments of A, B & C => Share of C = 1530 Share of B = 765 Share of A = 1020
Q: I can Honk without using a Horn. Who am I? 2047 05b5cc6abe4d2b4197774cf9e
5b5cc6abe4d2b4197774cf9e- 1Goosetrue
- 2Cranefalse
- 3Penguinfalse
- 4Hummingfalse
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Answer : 1. "Goose"
Explanation :
Answer: A) Goose Explanation: Goose can Honk without using a Horn. Geese are waterfowl of the family Anatidae.
Q: What is the probability that a leap year has 53 Saturdays and 52 Sundays ? 2047 05b5cc6dfe4d2b4197774eada
5b5cc6dfe4d2b4197774eada- 11/7true
- 22/7false
- 31/2false
- 43/2false
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Answer : 1. "1/7"
Explanation :
Answer: A) 1/7 Explanation: A leap year has 52 weeks and two daysTotal number of cases = 7Number of favourable cases = 1i.e., {Friday, Saturday} Required Probability = 1/7
Q: 88%of 370 +24% of 210-x =118 find x 2047 05b5cc6c4e4d2b4197774dcf0
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Answer :
Explanation :
From the given equation, 88x370/100 + 24x210/100 - 118 = x => x = 325.6 + 50.4 - 118 x = 258.
Q: There are 10 Letters and 10 correspondingly 10 different Address. If the letter are put into envelope randomly, then find the Probability that Exactly 9 letters will at the Correct Address ? 2047 05b5cc705e4d2b4197774f1ee
5b5cc705e4d2b4197774f1ee- 11/10false
- 21/9false
- 31false
- 40true
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Answer : 4. "0"
Explanation :
Answer: D) 0 Explanation: As we know we have 10 letter and 10 different address and one more information given that exactly 9 letter will at the correct address....so the remaining one letter automatically reach to their correct address P(E) = favorable outcomes /total outcomesHere favorable outcomes are '0'.So probability is '0'.
Q: A water tank in a village is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the tank is full, in how many hrs will the leak empty it ? 2045 05b5cc6b2e4d2b4197774d3c3
5b5cc6b2e4d2b4197774d3c3- 134 hrsfalse
- 236 hrsfalse
- 338 hrsfalse
- 440 hrstrue
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Answer : 4. "40 hrs"
Explanation :
Answer: D) 40 hrs Explanation: The time taken by the leak to empty the tank = 18 - 110 = 5 - 440 = 140 Therefore, the leak empties the tank in 40 hours.

