Tag: math & puzzles

Questions Related to math & puzzles

In an regular expression 4x^2+2x+1. sum of roots + product of roots
general knowledge math & puzzles

  1. 1\2

  2. -1\2

  3. 1\4

  4. -1\4

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Correct Option: D

In a triangle ABC.if a,b,c are the sides of the triangle with values 5,4,3 respectively.
general knowledge math & puzzles

  1. 0 degrees

  2. 30 degress

  3. 90 degrees

  4. 180 degress

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Correct Option: C

Solve the two equaions 4x+6y=12 2x+8y=10 then values of x and y respectively
general knowledge math & puzzles

  1. 1.6 and 1.2

  2. 0.8 and 1.8

  3. 1.8 and 0.8

  4. 1.2 and 1.6

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Correct Option: C

If a=sinA , b=cosA then (a+b)^2 + (a-b)^2
general knowledge math & puzzles

  1. 4sinAcosA

  2. -4sinAcosA

  3. 2

  4. 0

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Correct Option: C

If

general knowledge math & puzzles

  1. euilateral triangle

  2. isoscelous triangle

  3. rightangle triangle

  4. rightangled isoscelos triangle

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Correct Option: D

What is value of sinA*cosA*tanA*secA*sinB*cosB, if angle

general knowledge math & puzzles

  1. 1\2

  2. 1\2root2

  3. 1

  4. 0

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Correct Option: D

LONGEST NO OF YEARS BETWEEN TWO CONSECUTIVE BIRTHDAYS
general knowledge math & puzzles

  1. 3

  2. 4

  3. 7

  4. 8

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Correct Option: D

HOW MANY TIMES A DAY, MINUTE AND HOUR HAND MEET
general knowledge math & puzzles

  1. 11

  2. 12

  3. 22

  4. 23

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Correct Option: C

A bus run at a top speed of 100 km/hr. It can carry a maximum of 6 persons. If speed of bus decreases in fixed proportion with increase in number of person, find the speed(in km/hr) when three persons are traveling in bus.
general knowledge math & puzzles

  1. 200

  2. 100

  3. 150

  4. Can't be determined

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Correct Option: B

At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?
general knowledge math & puzzles

  1. 10

  2. 11

  3. 12

  4. None of these

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Correct Option: C