CAT Practice Question and Answer
8Q: In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there ? 1919 05b5cc774e4d2b41977750011
5b5cc774e4d2b41977750011- 1205false
- 2194false
- 3209true
- 4159false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "209"
Explanation :
Answer: C) 209 Explanation: We may have (1 boy and 3 girls)or(2boys and 2 girls)or(3 boys and 1 girl)or(4 boys). Required number of ways = (C16× C34) + C26×C24 + (C36× C14) + (C46) = (24+90+80+15) = 209.
Q: In a test, minimum passing percentage for girls and boys is 35% and 40% respectively. A boy scored 483 marks and failed by 117 marks. What is the minimum passing marks for girls ? 1919 05b5cc72ce4d2b4197774f75a
5b5cc72ce4d2b4197774f75a- 1625false
- 2525true
- 3425false
- 4325false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "525"
Explanation :
Answer: B) 525 Explanation: Given 40% minimum passing marks for boys = 483 + 117 = 600=> 1% = 600/40 => 100% = 600 x 100/40 = 1500Minimum passing marks for girls = 35% of 1500 = 35 x 1500/100 = 525.
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
Scores of individuals : Dhoni= 80,30,10,10,1Raina=100,25,3,2,1Kholi=85,20,15,10,1Shikhar=90,20,15,3,3 Above combination satisfies all conditions given in the question. Answer 1) Raina Answer 2) Kohli and Shikhar Answer 3) Dhoni
Q: Which has the lowest albedo? 1917 05b5cc61ee4d2b4197774b779
5b5cc61ee4d2b4197774b779- 1dark surfacestrue
- 2light surfacesfalse
- 3Both A & Bfalse
- 4None of the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "dark surfaces"
Explanation :
Answer: A) dark surfaces Explanation: Albedo refers to a material's ability to reflect sunlight. Since 30% of the sun's energy is reflected by the entire earth, the earth has an average albedo of 0.30. Generally, dark surfaces have a low albedo and light surfaces have a high albedo.
Q: What has no beginning, end or middle? 1917 05b5cc696e4d2b4197774c59e
5b5cc696e4d2b4197774c59e- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
A Donut or Doughnut. Anything in the shape of a torus.
Q: What is PO invoice ? 1916 05b5cc6f1e4d2b4197774ef49
5b5cc6f1e4d2b4197774ef49- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
For material/Goods Purchases, the Po is required. In the Po, QTY, Product Name, Where is delivery price, Terms and Conditions. In the po there is no matter of final amount. It is just the approximate amount.
Q: A colour blind person has difficulty in distinguishing which of the two colours ? 1916 05b5cc6cce4d2b4197774e15d
5b5cc6cce4d2b4197774e15d- 1Green & Redtrue
- 2White & Redfalse
- 3Blue & Redfalse
- 4Red & Blackfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Green & Red"
Explanation :
Answer: A) Green & Red Explanation:
Q: Who was appointed as Deputy Governor of RBI recently ? 1916 05b5cc777e4d2b4197775007f
5b5cc777e4d2b4197775007f- 1SS Mundrafalse
- 2Viral Acharyatrue
- 3Urjit Patelfalse
- 4R Gandhifalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Viral Acharya"
Explanation :
Answer: B) Viral Acharya Explanation: The government on 28th December, 2016 appointed Viral Acharya as the Deputy Governor of the RBI. He will be joining the ranks of NS Vishwanathan, SS Mundra, R Gandhi as one of four Deputy Governors under RBI Governor Urjit Patel. Acharya has been serving as a Professor of Economics at the New York University Stern School of Business since 2008.

