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let x = y = z = 2 x²+y²+z² = xy+yz+zx ⇒ (x+x)/x + (x+x)/x + (x+x)/x ⇒ 2 + 2 + 2 = 6
A recent survey of married couples in Indian metro cities showed that 20% of the couples have only one child, 45% of the remaining couples have two chil...
The given equation has been solved on the basis of a certain rule. Find the correct answer for the unsolved equation on that basis:
If a ÷...
If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression:
132 × ...
What will be the value of the given expression after the following interchanges?
Expression: 324 + 22 - 7 X 4 ÷ 36 - 28
Interchanges: Sig...
If A $ B means A X B, A € B means A ÷ B, A & B means A + B and A @ B means A - B, then what is the value of '178 & 100 € 25 @ 18 $ 4 & 22'?
...If 'A' means '×', 'B' means '÷', 'C' means '+', and 'D' means '-', then what will come in the place of '?' in the given expression?
180 A 5 ...
If ‘%’ means (÷), ‘#’ means (-), ‘@’ means (×), and ‘&’ means (+), then what is the value of the expression:
42 & 12 # 25 % 5 @...
Which of the following interchange of sign would make the given equation correct?
45 × 9 + 5 ÷ 4 = 25
In a certain code language, '+' represents '-', '-' represents 'x', 'x' represents '÷' and '÷' represents '+'. Find out the answer to the following qu...
Which two signs should be interchanged to make the following equation correct?
36 – 36 ÷ 9 + 8 × 4 = 8