Question
LCM and HCF of two numbers are respectively 3 and 18. If
one of them is 9, find the other number.Solution
ATQ, we can say that Let the first number be 'a' and second number be 'b'. LCM × HCF = a × b 18 × 3 = 9 × b 54 = 9 × b b = 6 ∴ The second number is 6.
If '$ means +', '# means –, '@ means ×' and '* means ÷', then what is the value of ' 16 $ 4 @ 5 # 72 * 8 ' ?
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Interchanges: Sig...
If '÷' means '+', '+' mean '-', 'x' means '÷' and '-' means 'x', then what will be the value of the given expression:
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Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
11 * 4 * 55 ...
If ‘%’ means (÷), ‘#’ means (-), ‘@’ means (×), and ‘&’ means (+), then what is the value of the expression:
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If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression?
480 - 12 + 250 X 3...
In a certain code of language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘ what ...
Select the number from among the given options that can replace the question mark (?) in the following series.
24, 35, 51, 73, 102, ?
...
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