IIT JEE Practice Question and Answer
8Q: Find the next number in the given number series? 35, 36, 55, 111, ? 2193 05b5cc62ae4d2b4197774b8a5
5b5cc62ae4d2b4197774b8a5- 1278.5true
- 2264.5false
- 3212.5false
- 4202false
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Answer : 1. "278.5"
Explanation :
Answer: A) 278.5 Explanation: The given number series is 35, 36, 55, 111, ? 35 35 x 1 + 1 = 36 36 x 1.5 + 1 = 55 55 x 2 + 1 = 111 111 x 2.5 + 1 = 278.5 Hence, the next number in the given number series is 278.5.
Q: Which city is known as "Queen of Arabian Sea" ? 2190 05b5cc6cfe4d2b4197774e321
5b5cc6cfe4d2b4197774e321- 1Vizagfalse
- 2Kakinadafalse
- 3Mumbaifalse
- 4Kochitrue
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Answer : 4. "Kochi"
Explanation :
Answer: D) Kochi Explanation:
Q: Last year vivek saved 10% of his annual earnings, this year he earned 5% more than last year and he saved 12% of his annual earnings. The amount saved this year was what percentage of the amount saved last year ? 2190 05b5cc723e4d2b4197774f6c3
5b5cc723e4d2b4197774f6c3- 187%false
- 298%false
- 3138%false
- 4126%true
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Answer : 4. "126%"
Explanation :
Answer: D) 126% Explanation: Suppose total earnings = Rs. 1000010% saving = 10000 x (10/100) = Rs. 1000This year 5% more income than prev year = Rs. 1050012% saving = 10500 x (12/100) = Rs. 1260Percentage of amount saved = (1260/1000) x 100 = 126%
Q: Who is the author of the book "No Full Stops in India" ? 2189 15b5cc6cee4d2b4197774e265
5b5cc6cee4d2b4197774e265- 1R. K. Narayanfalse
- 2Mark Tullytrue
- 3C. Narayan Reddyfalse
- 4Ved Mehtafalse
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Answer : 2. "Mark Tully"
Explanation :
Answer: B) Mark Tully Explanation:
Q: Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 cm x 6 m when 10% of its volume is occupied by mortar ? 2187 05b5cc6d8e4d2b4197774e76e
5b5cc6d8e4d2b4197774e76e- 1720true
- 2600false
- 3660false
- 46000false
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Answer : 1. "720"
Explanation :
Answer: A) 720 Explanation: Let the number of bricks be 'N' 10 x 4/100 x 6 x 90/100 = 25/100 x 15/100 x 8/100 x N 10 x 4 x 6 x 90 = 15 x 2 x N => N = 720.
Q: Which of the following statements describes the glycemic index of foods? 2187 05b5cc62ae4d2b4197774b8e1
5b5cc62ae4d2b4197774b8e1- 1the extent to which a given food raises blood glucose and insulin levelstrue
- 2the amount of insulin required to metabolize 100 grams of glucosefalse
- 3an individual’s glucose/insulin ratio in a fasted statefalse
- 4the glucose content of a given foodfalse
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Answer : 1. "the extent to which a given food raises blood glucose and insulin levels"
Explanation :
Answer: A) the extent to which a given food raises blood glucose and insulin levels Explanation: The glycemic index or glycaemic index is a number associated with the carbohydrates in a particular type of food that indicates the effect of these carbohydrates on a person's blood glucose (also called blood sugar) level. A value of 100 represents the standard, an equivalent amount of pure glucose. The GI represents the rise in a person's blood sugar level two hours after consumption of the food.
Q: The outermost layer of the sun is called 2187 05b5cc6a5e4d2b4197774cd04
5b5cc6a5e4d2b4197774cd04- 1Coronatrue
- 2Chromospherefalse
- 3Radiative Zonefalse
- 4Transition Regionfalse
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Answer : 1. "Corona"
Explanation :
Answer: A) Corona Explanation: The outermost layer of the sun is called The Corona. The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona. IRIS will focus its investigation on the Chromosphere and Transition Region.
Q: If the given two numbers are respectively 7% and 28% of a third number, then what percentage is the first of the second ? 2186 05b5cc75ce4d2b4197774fc48
5b5cc75ce4d2b4197774fc48- 124%false
- 229%false
- 334%false
- 425%true
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Answer : 4. "25%"
Explanation :
Answer: D) 25% Explanation: Here, k = 7 and l = 28Therefore, first number = klx100 % of second number = 7/28 x 100% of second number = 25% of second number.

