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Syllabus

Q.4. The product of the place values of two-threes in 73532 is

(a) 9000

(b) 90000

(c) 99000

(d) 1000

21? 4423

If 3

^{x}= 4^{y}= 12^{xy}Then find

x + yQ44. $\frac{\left(680\times 680+320\times 320-680\times 320\right)}{\left(680\times 680\times 680+320\times 320\times 320\right)}$= ?

(a) 1000 (b) $\frac{1}{1000}$ (c) 360

Q45. $\frac{\left(963\times 963\times 963+137\times 137\times 137\right)}{\left(963\times 963-963\times 137+137\times 137\right)}$=?

(a) 1000 (b) 826 (c) 1100

Q46. $\frac{\left(256\times 256-144\times 144\right)}{112}$= ?

(a) 420 (b) 400 (c) 360