Q. Double the following numbers .

a. 16

b. 25

c. 36

d. 144

e. 225

f. 541

g. 398

h. 219

i. 1010

j. 162

 

Answer:

a. 32; b. 50; c. 72; d.  288; e. 450. f. 1082; g. 796; h. 438; i. 2020; j. 324

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