Practice Question and Answer
8Q: At the university entrance exam, a candidate is admitted according to whether he has passed or failed the test. Of the candidates who are really capable, 80 % pass the test and of the incapable, 30 % pass the test. Given that 40 % of the candidates are really capable, then the proportion of the really capable students who can pass the test to the total students who can pass is about ? 3754 05b5cc74ae4d2b4197774fa77
5b5cc74ae4d2b4197774fa77- 111/24false
- 21/5false
- 316/25true
- 46/5false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "16/25"
Explanation :
Answer: C) 16/25 Explanation: If there are total 100 candidates, 40 candidates are really capable and 60 candidates are incapable.Of the candidates who are really capable = 80% 40*(80/100)=32 pass the test andof the incapable= 30%60*(30/100)=18 pass the test.Total candidates who passed the test = 32+18 = 50The proportion of the really capable students who can pass the test to the total students who can pass = 32/50 = 16/25.
Q: The ratio of the incomes of Pavan and Amar is 4 : 3 and the ratio of their expenditures are 3:2. If each person saves Rs. 1889, then find the income of Pavan? 3752 05b5cc6bee4d2b4197774d992
5b5cc6bee4d2b4197774d992- 16548false
- 25667false
- 37556true
- 48457false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "7556"
Explanation :
Answer: C) 7556 Explanation: Let ratio of the incomes of Pavan and Amar be 4x and 3x and Ratio of their expenditures be 3y and 2y 4x - 3y = 1889 ......... I and 3x - 2y = 1889 ...........II I and II y = 1889 and x = 1889 Pavan's income = 7556
Q: The Neolithic sites Kuchai and Golbai Sasan are located in which Indian state? 3751 05c78efe0eee6235918b5d7ec
5c78efe0eee6235918b5d7ec- 1Maharashtrafalse
- 2Biharfalse
- 3Odishatrue
- 4Madhya Pradeshfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Odisha"
Q: Which one of the following is not a true snake ? 3751 05b5cc6f8e4d2b4197774f018
5b5cc6f8e4d2b4197774f018- 1Blind snakefalse
- 2Glass snaketrue
- 3Sea snakefalse
- 4Tree snakefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Glass snake"
Explanation :
Answer: B) Glass snake Explanation: Glass snake is a lizard.
Q: Which actor has announced not to enter politics citing health reasons?
3751 05fef061544b8e672b6550a17
5fef061544b8e672b6550a17- 1Ranveer Singhfalse
- 2Hemant Pandeyfalse
- 3Dharmendra Chaddhafalse
- 4Actor Rajinikanthtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Actor Rajinikanth"
Q: X liters of milk is taken out and replaced with water from a container having 240 liters milk. Now, 20% of the mixture is taken out and replaced with water. In final mixture, the difference in quantity of milk & water is 128 liters. Find X.
3747 0604089ece759ac364c93fd44
604089ece759ac364c93fd44- 112false
- 210true
- 39false
- 411false
- 58false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "10"
Q: Do not lose your head in public.
3744 05f3d21bb54900c5349d7e876
5f3d21bb54900c5349d7e876- 1be embarrassedfalse
- 2shave your hairfalse
- 3get angrytrue
- 4get a headachefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "get angry "
Q: The Potassium graphite and Calcium Graphite can be mostly used as which among the following? 3744 15cc94e3be1609b6461ac9815
5cc94e3be1609b6461ac9815- 1Moderatorsfalse
- 2Semiconductorsfalse
- 3Superconductorstrue
- 4Lubricantsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice