EXERCISE MARK AGAINST THE CORRECT ANSWER IN EACH OF THE FOLLOWING. IN 31 TO 40:

EXERCISE

MARK AGAINST THE CORRECT ANSWER IN EACH OF THE FOLLOWING. IN 31 TO 40:

31.   7251 x 9999

a)      725117481

b)      674217481

c)       685126481

d)      696217481

e)      None of these

32.   2056 x 987 =?

a)      1936372

b)      2029272

c)       1896172

d)      1923472

e)      None of these

33.   1904 x 1904 =?

a)      3654316

b)      3632646

c)       3625216

d)      3223436

e)      None of these

34.   1397 x 1397 =?

a)      1951609

b)      1981709

c)       1836619

d)      2031719

e)      None of these

35.   107 x 107 x 93 x 93 =?

a)      19578

b)      19418

c)       20098

d)      21908

e)      None of these

36.   217 x 217 + 183 x 183 =?

a)      79698 

b)      80578

c)       80698

d)      81268

37.   106 x 106 – 94 x 94=?

a)      2400

b)      2000

c)       1904

d)      1906

e)      None of these

38.   8798 x 223 + 8796 x 77 =?

a)      2736900

b)      2738800

c)       5658560

d)      2716740

e)      None of these

39.   287 x 287 + 269 x 269 – 2 x 287 x 269 =?

a)      534

b)      446

c)       354

d)      324

e)      None of these

                40.   {(476 + 424)² - 4 x 476 x 424} =?

a)      2906

b)      3116

c)       2704

d)      2904

e)      None of these

ANSWERS: 

31.(B) 

32.(A)
 33.(B)
 34.(C) 
35.(A) 
36.(C) 
37.B) 
38.(A) 
39.(B) 
40.(D).