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Question

Assertion-and-Reason Type

Each question consists of two statements,namely,Assertion (A) and Reason (R).For selecting the correct answer,use the following code:

(a) Both Assertion (A) and Reason (R) are the true and Reason (R) is a correct explanation of Assertion (A).

(b) Both Assertion (A) and Reason (R) are the true but Reason (R) is not a correct explanation of Assertion (A).

(c) Assertion (A) is true and Reason (R) is false.

(d) Assertion (A) is false and Reason (R) is true.

Assertion (A)Reason (R)If the median and mode of a Mean, median and mode of afrequency distribution are 150 and frequency distribution are related as:154 respectively,then its mean is 148.mode=3 median2 mean.

The correct answer is :(a)/(b)/(c)/(d).

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Solution

Mode = 3 ×Median - 2×Mean

from A

Mean=3×Medianmode2=3×1501542=4501542=2962=148

So (a) Both Assertion (A) and Reason (R) are the true and Reason (R) is a correct explanation of Assertion (A).


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