What is the maximum number of pieces 1 cm in diameter and
20cm long that can be cut out of a cylindrical wooden block
20cm in length and 3cm in diameter ?
(a) 4
(b) 5
(c) 6
(d) 7
Answers were Sorted based on User's Feedback
Answer / debashish dash
for cylinder we should consider the volume rather area..
volume of the small pieces ( uniqely) is 3.14*(.5)^2*20
volume of the large piece is 3.14*(1.5)^2*20
hence he no. of small pieces required will be ...
1.5^2 / 0.5^2 = 2.25/.5 = 9
answer is 9
Is This Answer Correct ? | 3 Yes | 7 No |
The device to convert alternating current into direct current is (a) Transformer (b) Rectifier (c) Alternator (d) Condenser
If X is mortal, Y is wise, if Z is not good, a will suffer. Y is not wise, if A suffers. If B is slave, X is immortal. If A suffers, what follows ? (a) X is mortal (b) B is a slave (c) Z is good (d) Y is wise
Consider the following statements : 1. Falkland Islands are situated in Pacific Ocean. 2. Red Sea separates Sudan from Egypt. 3. England, Norway, Denmark surround North Sea. Which of these statements is/are correct? (a) 2 only (b) 1and 3 (c) 2 and 3 (d) 3 only
Consider the following statements : According to Census 2001 1. The literacy rate increase for males is more than that of the females during last one decade. 2. Amongst the States and Union Territories, Delhi has the highest population density while Sikkim has the lowest. 3. The correct sequence of population in descending order of Rajasthan, Madhya Pradesh, Tamil Nadu and Karnataka is : Tamil Nadu ? Madhya Pradesh ? Rajasthan ? Karnataka which of these statements is/are correct? (a) 1 and 2 (b) 2 and 3 (c) 1, 2 and 3 (d) 3 only
Knesset is the name of the Parliament of (a) Norway (b) Sweden (c) Israel (d) Spain
which drug is given orally to AIDS patients with pneumocystic carnii infection?
5 Answers Jyothy Laboratories,
Recently, Cannes Film Festival was held in (a) Switzerland (b) France (c) Italy (d) England
What does the B.K Chaturvedi Commission deal with ?
First Municipal Corporation in India
23 Answers College School Exams Tests, GK companies, UPSC,
The most important limitation that generally served as a check on the absolution of the sultans of delhi was the power of the ---?
Who among the following is the Chairman of Planning Commission in India ? (a) Finance Minister of India (b) Prime Minister of India (c) President of India (d) Home Minister of India
34 Answers CPT, DDA, DRDO, IBM, ICFAI, ISI, NTSE, ONGC,
Consider the following statements : 1. Prime Meridian passes through Greenwich and is at 00 Longitude. 2. International Date Line on the map appears as a straight line along 1800 Longitude. 3. While crossing International Date Line from east to west, one gains a day. 4. Tropic of Cancer lies at23?0 Latitude S. Which of these statements are correct ? (a) 1, 2, 3 and 4 (b) 1 and 2 (c) 1 and 3 (d) 2 and 3