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We have,   Mean X-=∑fxN=60+45a12+9a                  =512+9a12+9a                 .....

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We have,   Mean X-=∑fx∑f=370+20a23+a or, 17 = 370+20a23+a or, 391 + 17a = 370 + 20a  or, 21 = 3a  ∴a =213        .....

स     +     र्     +     प     =    .....

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Let, the rainfall on Saturday be x mm.   Then,  ∑x=45+22+28+36+30+24+x       .....

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फ     +     र्     +     क     =    .....

पु     +     नः     =      .....

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Average value =10 + 30 + 35 + 25 + 155                           =1105               .....

The formula to calculate mean .....

We know, x-=∑xN    =5010   .....

Average=∑xn               =244               .....

त     +     र्     +     छ      =    .....

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In the context of Nepal, high-quality fossil fuel sources are not found yet. Only low-quality coal-mines are found in Dang district. So, it's very important for us to reduce the consumption of non-renewable energy, .....

The mean is calculated as .....

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The co-ordinates of point lying on first quadrant is (x, .....

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The point (2, 4) lies in 1st .....

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निः     +     सं     +     को     +     च     =    .....

The units which are independent of other units are called fundamental units. For example; The unit of length; meter and the unit of mass; kilogram are fundamental .....

The fundamental units involved in joule are; kilogram (kg), metre (m) and second (s). The fundamental units involved in ohm are; kilogram (kg), metre (m), second (s) and ampere .....

फ     +     ल     +     तः     =    .....

The SI unit of the moment is newton metre (N.m). The SI unit of the moment is called a derived unit because it depends on other units and cannot exist on its .....

अ     +     मृ      +     त     =    .....

  kg         g   84       135 - 21       364    62      .....

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ब     +     त्     +     ती     =      .....

ब     +     त्     +     ती     =    .....

कृ     +     ति     =    .....

Rs. 1500 is the cost of 20 kg rice Rs. 1 is the cost of 201500 kg rice Rs. 1875 is the cost of 201500× 1875 kg rice                                   = .....

Here, 1dozen= 12 pencils Cost of three dozen pencils = Rs. 180 Cost of 1 dozen pencils = Rs. 1803                                       = Rs. 60 Cost of .....

Rs. 500 is the cost of 20 kg rice Rs. 1 is the cost of 20500 kg rice Rs. 1800 is the cost of 20500× 1500 kg rice                                   = 60 .....

1 dozen = 12 copies Here,Rs. 480 is the cost of 12 copies Rs. 1 is the cost of 12480copies Rs. 1200 is the cost of 12480 × 1200 copies                               .....

Students            Days 500                     25 900                     ? 500 students have food .....

बु     +     ट्     +     टा     =    .....