Problems based on Numbers Test 5

Question : 22 of 40

Marks: +1, -0

For numbers a, b and c (c # 0), define [a, b, c] by (a, b, c) = (a + b) ÷ c.
Then the value of

[(30, 60,90)(1,2,3)(5,10,15)]

is:

Solution:

Let A = [30, 60, 90]
B = [1, 2, 3]
C = [5, 10, 15]
Now A = [30, 60, 90]
a = 30, b = 60, c = 90
Value of A

= (a+b ) ÷ c

= ( 30+ 60)÷ 90= 1

Value of B

=(1+2)÷3=1

Value of C

=(5+10)÷15=1

Now we solve using [1, 1, 1]

(a+b)÷c=(1+1)÷1=2÷1=2

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