Home
Class 14
REASONING
If 56 xx 11 = 9 , 37 xx 13 = 6 , 42 xx 1...

If `56 xx 11 = 9 , 37 xx 13 = 6 , 42 xx 12 = 3 ` , then find the value of `87 xx 77` .

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
A
`56xx11=9`
`implies 56 - 11 =9`
`implies 45 implies 4+5 = 9`
`37xx13=6`
`implies 37 -13=6`
`implies 24 implies 2+4 =6`
`42 xx 12 = 3`
`implies 42 - 12 = 3`
`implies 30implies 3 + 0 =3`
Therefore,
`87xx77`
`implies 87 -77 = 10 implies 1+0=1`
Promotional Banner

Similar Questions

Explore conceptually related problems

If 9 xx 3 = 36, 11 xx 7 = 81 , then What is the value of 5 xx 13?

If 5 xx 7 = 5, 12 xx 3 = 6, 8 xx 9 = 2 what is the value of 6 x 8 = ?

If 9 xx 3^(n)=3^(6), find the value of n.

A student follows the rule 3 xx 3 + 3 xx 3 = 12, 4 xx 4 + 4 xx 4 = 16 , 5 xx 5 + 5 xx 5 = 20 , then find the value of the expression 12 xx 12 + 12 xx 12 according to this rule.

A student follows the rule 3 xx 3 + 3 xx 3 = 12 , 4 xx 4 + 4 xx 4 = 16, 5 xx 5 + 5 xx 5 = 20, then find the value of the expression 12 xx 12 + 12 xx 12 according to this rule.

If 64 xx 52 = 17, 48 xx 56 = 23 and 74 xx 35 = 19 ,then 84 xx 37 =?

21 + 3.7 xx 2.9 = ?

find the value (6/7 xx 3/4) + (6/7 xx 11/4)

In a certain codes 2 xx 3 = 56, 5 xx 6 = 1130, 8 xx 9 = 1772 , then 4 xx 1 = ?