At a certain time in a deer park , the number of heads and the number of legs of deer and human visitors were counted and it was found there were 39 heads and 132 legs .
Find the number of deer and human visitors in the park .

In a tiger National Park the number of the heads and number of the legs of tiger and human visitors were counted it was found there were100 heads and 376 legs. Form simultaneous linear equations and find the number of tigers and human visitors in the park

There are deers and ducks in a zoo. If heads are counted then there are 180 total and if legs are counted then there are 448 total. Find the number of deers and ducks .

In a group of equal number of cows and herdsmen the number of legs was 28 less than four times the number of heads. The number of herdsmen was

Five coins were simultaneously tossed 1000 times, and at each toss the number of heads was observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss No. of heads per toss (x) : 0 1 2 3 4 5 No. of tosses (f) : 38 144 342 287 164 25

There are pigeons and rabbits in a zoo. If heads are counted then there are 90 total and if legs are counted then there are 224 total. Find the number of pigeon and rabbits.

Five coins were simultaneously tossed 1000 times and at each toss the number of heads were observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss. No. of heads per toss No. of tosses 0 38 1 144 2 342 3 287 4 164 5 25 Total 1000