Explanation

The degree of polynomial is 2 because (x2 =2) (x1y1 =2) (y2 =2) the highest power is 2 each of the veriable..

Explanation

Explanation

Explanation

P is 5 time large as Q 

p=5q

q =p/5

The percentage that q is less than p=p-q/p*100

=(1-1/5)*100

=4/5*100=4*20

=80%

Explanation

Pattern 2,8,32,128,___,2048

As we see that each term multiplied by 4 is next term.

Which is 2x4=8, 8x4=32 and so on..

So, the blank missing number will be 128x4=512,

So the missing number will be 512.

Explanation

17% of 1620 is 275.4

Working out 17% of 1620

Write 17% as 

17

100

Since, finding the fraction of a number is same as multiplying the fraction with the number, we have

17

100

 of 1620 = 

17

100

 × 1620

Therefore, the answer is 275.4

Explanation

Area= a+b/2* h

putting the values

Area= 54+45/2* 36

=99/2*36

=49.6*36

Area= 1782

Rate=2.5

1782*2.5=4455

Total expenditure=4455

Explanation

100/12=8.3

Explanation

Explanation

Manu gives a list of the items presented in restaurant.

Similarly, catalogue lists the books present in a library.