Question
If first and last digit of each number is multiplied and
then the product is added to middle two digits of the number, which resultant number gets repeated? These questions are based on the following set of numbers: 6523 8462 2297 5144 4739Solution
6523= 6 × 3 + 5 + 2 = 25 8462= 8 × 2 + 4 + 6 = 26 2297= 2 × 7 + 2 + 9 = 25 5144= 5 × 4 + 1 + 4 = 25 4739= 4 × 9 + 7 + 3 = 46
Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation.
12@5@7@2@...
If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 = ?
If A denotes ‘addition’, B denotes ‘multiplication’, C denotes ‘subtraction’, and D denotes ‘division’, then what will be the value of t...
In a certain code language, '+' represents '÷', ' - ' represents ' X ', '÷' represents '+' and ' X ' represents '-'. Find out the answer to the follow...
Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.
22 @ 6 @ 18 @ 17 @ 2
A shopkeeper sells rice in such a way that the selling price of 950 gm is the same as the cost price of one kilogram. Find his gain percent.
If '+' means 'division', ' X ' means 'addition', ' - ' means 'multiplication' and '÷' means 'subtraction', then what is the value of the following expr...
If ‘+’ stands for ‘division’; ‘×’ stands for ‘addition’; ‘–’ stands for ‘multiplication’; ‘÷’ stands for ‘subtraction�...
If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute the value of the expression:
135 × ...
Which of the following interchange of sign would make the given equation correct?
45 × 9 + 5 ÷ 4 = 25
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