EXERCISE 4 (OBJECTIVE TYPE QUESTIONS in 51 60)

51.   One – fifth of a number exceeds one – seventh of the same by 10. The number is:

a)      125

b)      150

c)       175

d)      200

52.   If X * Y = X² + y² - XY, then the value of 9* 11 is:

a)      93

b)      103

c)       113

d)      121

53.   If a * b = a b/ a + b, find the value of 3 * (3 * -1).

a)      -3

b)      -1.5

c)       -1

d)      2/3

54.   If a * b = 2a – 3b + a b, then 3 * 5 + 5 * 3 is equal to:

a)      22

b)      24

c)       26

d)      28

55.   If X (+) y = X² + 2Y, what is the value of P is 4(+) (3 (+) p) = 50?

a)      4

b)      7

c)       8

d)      12.5

56.   If a * b*c*  means a + b + c /c for all numbers except o, then (a* b* c) * a * bus equal to:

a)      0

b)      1

c)       a + b + c / a b

d)      a + b + ac /b a

e)      a b + b c + ca / a + b + c

57.   7 is added to a certain number; the sum is multiplied by 5; the product is divided by9 and 3 is subtracted from the quotient. The remainder left is 12. The number is:

a)      20

b)      30

c)       40

d)      60

58.   The value of (5/7 of 1 6/13 ) ÷ ( 2 5/7 ÷ 3 1/4) is:

a)      20/169

b)      1

c)       5/4

d)      1 119/180

59.   2 3/4 ÷ 2 2/3 ÷1 1/12 =?

a)      39/48

b)      1 ¼

c)       169/144

d)      None of these

60.   4 1/2 x 4 1/3 – 8 1/3 ÷ 5 2/3 =?

a)      7 / 17

b)      1 33/34

c)       8

d)      18 1/34

ANSWERS 

51.C
52.B
53.A
54.A
55.A
56.D
57.A
58.C
59.D
60.D