IIT JEE Practice Question and Answer
8Q: A sum of Rs. 427 is to be divided among A, B and C in such a way that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal. The share of C is ? 6046 05b5cc72ce4d2b4197774f792
5b5cc72ce4d2b4197774f792- 164false
- 276false
- 384true
- 498false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "84"
Explanation :
Answer: C) 84 Explanation: Given total sum = Rs. 427And given that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal.=> 3A = 4B = 7CBut given=> A + B + C = 427Now express A and B in terms of C i.e=> (7C/3) + (7C/4) + C = 427=> C = 84
Q: Convent : Cloister :: Eyrie : ? 6003 05b5cc694e4d2b4197774c489
5b5cc694e4d2b4197774c489- 1Showfalse
- 2Openfalse
- 3Hidefalse
- 4Nesttrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Nest"
Explanation :
Answer: D) Nest Explanation: Here the first two words are synonyms. Similarly, Eyrie means a large nest. So, the synonym of Eyrie is nest. Hence, Convent : Cloister :: Eyrie : Nest.
Q: Vaunt : Flaunt :: Disparate : ? 5984 05b5cc6a0e4d2b4197774ca7b
5b5cc6a0e4d2b4197774ca7b- 1Similarfalse
- 2Homogenousfalse
- 3Contrasttrue
- 4Alikefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Contrast"
Explanation :
Answer: C) Contrast Explanation: Vaunt - Vaunt means to boast or to praise about something excessively. Flaunt - Flaunt also means to boast about something or to praise something. Flaunt is the synonym of the word Vaunt. Disparate - Disparate means essentially different in its kind or unlike or not able to be compared. Then the required word is the synonym of Disparate. Here in the given options, Contrast is the only word which is similar in meaning of Disparate. Hence, Vaunt : Flaunt :: Disparate : Contrast.
Q: Two persons start running simultaneously around a circular track of length 300 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions ? 5968 05b5cc6e5e4d2b4197774ecf2
5b5cc6e5e4d2b4197774ecf2- 127 sectrue
- 231 secfalse
- 323 secfalse
- 429 secfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "27 sec"
Explanation :
Answer: A) 27 sec Explanation: Time taken to meet for the first time anywhere on the track = length of the track / relative speed = 300 / (15 + 25)5/18 = 300x 18 / 40 x 5 = 27 seconds.
Q: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 5967 05b5cc6eee4d2b4197774eed7
5b5cc6eee4d2b4197774eed7- 1²²C₁₀ + 1false
- 2²²C₉ + ¹⁰C₁false
- 3²²C₁₀false
- 4²²C₁₀ - 1true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "²²C₁₀ - 1"
Explanation :
Answer: D) ²²C₁₀ - 1 Explanation: The total number of ways of forming the group of ten representatives is ²²C₁₀. The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way The required number of ways = ²²C₁₀ - 1
Q: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 5962 05b5cc6b1e4d2b4197774d346
5b5cc6b1e4d2b4197774d346- 1Hydrogentrue
- 2Nitrogenfalse
- 3Argonfalse
- 4Heliumfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Hydrogen"
Explanation :
Answer: A) Hydrogen Explanation: Hydrogen gas is used for making vegetables and vanaspathi from vegetable oils. As it is colourless, odourless, tasteless, flammable gaseous substance, it is added to oils to make them more solid or spreadable. The use of hydrogenation helps to prolong the shelf life of the food and maintain flavour stability.
Q: The Study of Ancient Societies is called 5957 05b5cc6b2e4d2b4197774d37e
5b5cc6b2e4d2b4197774d37e- 1Anthropologyfalse
- 2Archaeologytrue
- 3Historyfalse
- 4Ethnologyfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Archaeology"
Explanation :
Answer: B) Archaeology Explanation: Archaeology is the science which studies ancient societies based on their material remains. Through the analysis of objects and those works constructed by ancient peoples, this science can arrive at conclusions about their culture and their ways of life. There are several branches of Archaeology as well as many tools relevant to this science.
Q: 2 is to 55 as 6 is to 5957 05b5cc66de4d2b4197774bfe4
5b5cc66de4d2b4197774bfe4- 199true
- 244false
- 39false
- 433false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "99"
Explanation :
Answer: A) 99 Explanation: Given 2 is to 55 2 + 3 = 5 5 x 11 = 55 Similarly, 6 6 + 3 = 9 9 x 11 = 99 Hence, 2 is to 55 as 6 is to 99.

