Let y = m1 x and y = m2 x be the lines represented by ax2 + 2hxy + by2 = 0. Then, and … (i)Let θ be the angle between the lines y = m1 x and y = m2 x. Then, ⇒ . ⇒ . ⇒ [Using (i)] ⇒ , ⇒ . Thus, Read more about ANGLE BETWEEN THE PAIR OF LINES[…]
Riddle – 1: Does a pound of gold or a pound of feathers weight more? Answer: The feathers. A pound of feathers is measured in avoirdupois weight, in which one pound equals 16 ounces. Precious metals are measured in troy weight, in which one pound equals 12 ounces. However, the ounces are not measured in the Read more about Riddles – 2 [With Answers][…]
Riddle – 1: Does a pound of gold or a pound of feathers weight more? Riddle – 2: Find a 10-digit number where the first digit is how many zeros in the number, the second digit is how many 1s in the number etc. until the tenth digit which is how many 9s in the Read more about Riddles – 2[…]
When mono substituted benzene is subjected to further substitution, di-substituted products are formed. They are Ortho, para and meta. The product which is formed more predominately depends on nature of the substituents already present in the benzene ring. This is known as direct influence of substituents. Ortho and para directing groups: They direct the incoming Read more about Directive influence of functional groups in mono substituted benzene[…]
National Aptitude Test in Architecture, 2017 (NATA-2017) for admission into 1st year of 5-year B.Arch. Degree course at various Institutions in India for the academic session 2017-2018 shall be conducted by the Council of Architecture (CoA) as one-day examination (paper based, OFFLINE) all over the country on 16.04.2017 (Sunday). For further details: http://myrank.co.in/notifications/notification.php?notice_id=91 Share Tweet View Email Print Read more about NATA-2017 Dates Released[…]
Teaser 1: What does this mean? CCCCCC Answer: The seven seas. Teaser 2: When I’m young I’m tall When I’m old I’m short When I’m alive I glow Because of your breath I die What am I? Answer: A candle. Teaser 3: The more you take, the more you leave behind. What are they? Answer: Footsteps. Teaser 4: Jack tells Jill, “This Read more about Brain Teaser 2 [With Answer][…]
The molecules of a gas move with high speeds at a given temperature but even then a molecule of the gas takes a very long time to go from one point to another point in the container of the gas. This is due to the fact that a gas molecule suffers a number of collisions Read more about Mean Free Path[…]
Normal or perpendicular form of a line: The equation of the straight line upon which the length of the perpendicular from the origin is P and this perpendicular makes an angle α with x – axis is x cosα + y sinα = P. Example: A line forms a triangle of area 54√3 sq units Read more about Various forms of equation of straight lines – I[…]
Teaser 1: What does this mean? CCCCCC Teaser 2: When I’m young I’m tall When I’m old I’m short When I’m alive I glow Because of your breath I die What am I? Teaser 3: The more you take, the more you leave behind. What are they? Teaser 4: Jack tells Jill, “This isn’t the $5 bill you left Read more about Brain Teaser 2[…]
1. Where do fish go on vacation? Answer: Fin land. 2. Where do songbirds go on vacation? Answer: The Canary Islands. 3. Where do zombies go on vacation? Answer: The Dead Sea. 4. Where do Thanksgiving birds go on vacation? Answer: Turkey. 5. Where do geometry teachers go on vacation? Answer: Cuba. 6. Where do locksmiths go on vacation? Answer: The Read more about Brain Teaser 1 [WIth Answers][…]