Divisibility Rule

കുലീന ലോഹങ്ങള്‍ .

Code: വെള്ളിയാഴ്ച സുവര്‍ണ്ണ ഫ്‌ളാറ്റില്‍ വരും (വെള്ളി, സ്വര്‍ണ്ണം, പ്ലാറ്റിനം).
ദ്രാവകാവസ്ഥയിലുള്ള ലോഹങ്ങള്‍ .

Code: MG ഫ്രാന്‍സിസ്‌ (മെര്‍ക്കുറി, ഗാലിയം, ഫ്രാന്‍സിയം, സീസിയം).
ഭൂമിയില്‍, പ്രപഞ്ചത്തില്‍, അന്തരീക്ഷത്തില്‍ ഏറ്റവും കുടുതലുള്ള മൂലകങ്ങള്‍ .

Code: BO PH AN (B - ഭൂമിയില്‍ O -ഓക്‌സിജന്‍, P - പ്രപഞ്ചത്തില്‍ H -ഹൈഡ്രജന്‍, A - അന്തരീക്ഷത്തില്‍ N -ന...

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Profit and loss is the one of major question section in Competitive exams. These formulas will be helpful for your upcoming Exams like PSC, SSC, IBPS and Other Competitive Exams. .


Cost Price(CP) : The Price at which a particular item purchased, is called its Cost Price.
Selling Price (SP): The price at which a particular item is sold, called its Selling Price.
Profit: If Selling Price of an item is more than Cost Price , then vendor is said to have a Profit.
Loss: if Selling Price of an item is less than Cost Price, the vendor said to have a Loss.


Formulas Profit = SP – CP.
Profit % = Profit/(CP)×100.
SP = ((100+Profit% )/100)×CP.
CP = (100/(100+Profit%))×SP.


Loss = CP – SP.
Loss% = Loss/(CP)×100.
SP = ((100-loss%)/100)×CP.
CP = (100/(100-loss%))×SP.


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BODMAS is an acronym and it stands for Bracket, Of, Division, Multiplication, Addition and Subtraction. .

This explains the order of operations to solve an expression. According to Bodmas rule, if an expression contains brackets ((), {}, []) we have to first solve/simplify the bracket followed by of (powers and roots etc.), then division , multiplication , addition and subtraction from left to right. .

Example :.

7 + (6 × 52 + 3) =   7 + (6 × 25 + 3).

7 + (150 + 3).

7 + (153).

7 + 153 .

Ans: 160. .

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