Question
In a box, there are some coins and rings which are
either silver or gold. If 40% of the objects are rings and 50% of the coins are silver, then find out the total number of gold coin if there are only 120 rings in the box?Solution
40% of the objects are rings So, total objects = 120/40  × 100 = 300 60% of the object are coin -= 300 ×  60/100 = 180 Total coin = 180 Total gold coin = 50% of total coin = 180 ×  50/100 = 90
If P means ‘multiplied by’, T means ‘subtracted from’, M means ‘added to’ and B means ‘divided by’, then 40 B 8 P 8 T 14 M 9 = ?
...If ‘+’ means ‘–’, ‘–’ means ‘÷’, ‘÷’ means ‘×’, and ‘×’ means ‘+’, what will come in place of the question mar...
Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.
86 * (38 * 1...
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
56 * 492 * 6 * 7 * 123 = 507
If ‘A’ means ‘divided by’, ‘B’ means ‘multiplied by’, ‘C’ means ‘added by’ and ‘D’ means ‘subtracted from’, than – 105...
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 ÷...
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
60 * 48 * 36 * 6 * 15 * 53
Which one of the given mathematical operations will result in 291?
If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then ____ is the value of the expression.
25 A 5 B 8 D 6 C 4...
Select the correct combination of mathematical signs to replace the '*' signs and to balance the given equation.
169 * 13 * 30 * 12 * 4 * 18 = 85
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