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Mathematics General Science Test Medium Mode MCQs With Answers

Question # 1

If B ={x/x€ Z ^ - 3 < x < 6}, then n (B) =

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{-3,-2,-1,0,1,2,3,4,5,6}

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Question # 2

If the equation x2+2x-3=0 and x2+3x-k=0 have a common root then the non - zero value of k is

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Question # 3

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Question # 4

The function whose range consists of just one element is called

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One-One Function

Identity Function

Onto Function

Constant Function

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Question # 5

Given two independent event A and B such that P(A) = 0.30 and P(B) = 0.60. Probability of getting neither A nor B is

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0.28

0.13

0.12

0.42

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Question # 6

An equation which holds good for all values of variables is called

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Equation

Conditional equation

Constant

None

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Question # 7

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none of these

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Question # 8

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Question # 9

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Question # 10

Number of combination of zero or more things out of n different things

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nPn

nPr

nCr

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Question # 11

A machine operates if all of its three components function. The probability that the first component fails during the year is 0.14, the second component fails is 0.10 and the third component fails is 0.05. the probability that the machine will fail during the year is

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0.2647

0.2692

0.3647

None of these

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