Maths-
General
Easy

Question

How many different signals can be made by 5 flags from 8 flags of different colours?

  1. 7620  
  2. 6720  
  3. 6746  
  4. None of these  

The correct answer is: 6720

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Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Determine the number of words which have at least one letter repeated.

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Find the sum of all the numbers that can be formed with the digits 2, 3, 4, 5 taken all at a time.

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If m + nP2 = 90 and m – nP2 = 30, then (m, n) is given by -

If m + nP2 = 90 and m – nP2 = 30, then (m, n) is given by -

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If fraction numerator 1 over denominator 5 C subscript r end subscript end fraction plus fraction numerator 1 over denominator 6 C subscript r end subscript end fraction equals fraction numerator 1 over denominator 4 C subscript r end subscript end fraction then value of 6Cr is equal to -

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The number of positive integers satisfying the inequality n + 1Cn – 2n + 1Cn – 1  100 is-

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A gentleman has 6 friends to invite. In how many ways can he send invitation cards to them, if he has three servants to carry the cards?

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Find the total number of ways of answering 5 objective type questions, each question having 4 choices.

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Which of the following statement describes that natural selection is not analogous to artificial selection

Which of the following statement describes that natural selection is not analogous to artificial selection

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Rapid evolution a number of new taxa in a short span of time due to large scale of environmental change is called

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Which of the following is an example of fossils?

Which of the following is an example of fossils?

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Evolution is

Evolution is

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Which of the following statement are correct about H o m o blank e r e c t u s
I. Had a large brain around 900cc

II. Appeared about 1.5 million years ago

III. Ate meat/omnivorous

IV. Evolved from H o m o blank h a b i l i s

Choose the correct option

Which of the following statement are correct about H o m o blank e r e c t u s
I. Had a large brain around 900cc

II. Appeared about 1.5 million years ago

III. Ate meat/omnivorous

IV. Evolved from H o m o blank h a b i l i s

Choose the correct option

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Neo-geographic speciation can be found in

Neo-geographic speciation can be found in

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Which of the following best shown the common origin of man and chimpanzee?

Which of the following best shown the common origin of man and chimpanzee?

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Study of origin and development of humans in all their physical, social and cultural relationship is called

Study of origin and development of humans in all their physical, social and cultural relationship is called

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