Question
What will be the number of permutations of n different
things, taken r at a time, where repeatition is allowed?Solution
The correct answer is C
By interchanging the given two signs and numbers which of the following equation will be correct?
× and +, 6 and 4
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
23 * 2 * 2 * 5 * 18
If ‘%’ means (÷), ‘&’ means (+), ‘$’ means (×), and ‘@’ means (-), then what is the value of the expression:
25 & 35 % 7 @ 14 $...
Which two signs should be interchanged to make the given equation correct?
8 – 26 + 15 × 18 ÷ 6 = 220
If '+' means ' - ', ' X ' means '+', ' - ' means '÷' and '÷' means ' X ', then what is the value of the following expression?
112 - 4 + 65 X 22...
If 'P' denotes 'addition', 'Q' denotes 'subtraction', 'R' denotes 'multiplication', and 'S' denotes 'division', then what will be the value of the foll...
What will be the value of expression if the numbers/digits ‘(30)’ and ‘(13)’ are interchanged?
78 ÷ 30 × 6 + 13 - 14 + 12
...If ‘–‘ means ‘addition’, ‘+’ means ‘subtraction’, ‘÷ ‘ means ‘multiplicat...
If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression:
130 × ...
If ‘+’ means ‘÷’, ‘-’ means ‘+’, ‘×’ means ‘-’ and ‘÷’ means ‘×’, then find the value of the following expression? ...
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