short Tricks

Trick (युक्ति):   "बेवफा सनम" Explanation (स्पष्टीकरण): बे- वेटिकन सिटी फा- फालैंड स- सेन्रिपोरो न- नारू म- मालदीव

Divisibility by 2 Rule Almost everyone is familiar with this rule which states that any even number can be divided by 2. Even numbers are multiples of 2. A number is even if ends in 0,2,4,6, or 8. Ex . 2 0 4 -2 -312 31,102 Divisibility by 3 Rule Add up all the digits in the number. Find out what the sum is. If the sum is divisible by 3, so is the number Ex . 12→1 + 2 = 3 And 3 is divisible by 3 so the number 12 is also divisible by 3. Divisibility by 4 Rule A number is divisible by 4 if the number's last two digits are divisible by 4. Ex . 358912 ends in 12 which is divisible by 4, thus so is 358912 Divisibility by 5 Rule A number is divisible by 5 if the its last digit is a 0 or 5. Ex . 10 → since the last digit is 0, 10 satisfies this rule and is divisible by 5 15 → since the last digit is 5, 15 satisfies this rule and is divisible by 5 45 -30 55 -105 Divisibility by 6 Rule If the Number is divisible by 2 and 3 it is divisible by 6 also. Ex .    114 → satisfies both...

Mixture and Alligation based Questions Question Type -1 In X gram mixture of milk and water, milk is P %. To make the quantity of milk in the mixture to be Q %, the quantity of milk added to the mixture will be. Trick: X{(Q-P)/(100-Q)} Ex . In a 60 liters mixture of milk and water, the quantity of milk is 5 %. In how much quantity, should milk be added to this mixture so that the quantity of milk in the mixture becomes 15 % ? Ans . Use trick- 60*{(15-5)/(100-15) 60*(10/85) 120/17 liters Question Type -2 In what ratio must a grocer mix two varieties of things costing Rs. C (Cheaper) and Rs. D(Costlier/Dearer) per kg respectively so as to get a mixture worth Rs. M kg? Trick: (Cheaper quantity) : (Dearer quantity) = (D - M) : (M - C) Ex . In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg? Ans . Use trick- (Cheaper quantity) : (Dearer quantity) = (20-16.50):(16.50-15) (Cheaper quant...

Nationalization Date of Banks Trick   a PUNJABI boy of name VIJAYA is studying COMMERCE in a CORPORATE college of ANDHARA PARDESH PUNJABI - Punjab and Sindh Bank (Don’t be confuse with Punjab National Bank) VIJAYA - Vijaya Bank COMMERCE - Oriental Bank of Commerce CORPORATE - Corporation Bank ANDHARA PARDESH - Andhra Bank Dena Bank - Mumbai (This bank don't have 'of india' at last but its Headquarter is in Mumbai) These 5 banks nationalization date is : Aril 15, 1980. Except these 5 banks (also except SBI group and IDBI) all other 14 banks were nationalized on July 19, 1969.

Public Sector Bank Headquarters in India Trick : 1 Banks having "OF INDIA" at their Last except UBI : Headquarters - Mumbai State Bank of India - Mumbai Bank of India - Mumbai Central Bank of India - Mumbai Union Bank of India - Mumbai IDBI (Industrial Development bank of India) - Mumbai Dena Bank - Mumbai (This bank don't have 'of india' at last but its Headquarter is in Mumbai) Reserve of India - Mumbai Security & Exchange Board of India - Mumbai Trick : 2 Banks having "INDIAN" at their starting: Headquarters - Chennai Indian overseas Bank - Chennai Indian Bank - Chennai Trick : 3 Vajay Can Bang - Bangalore Vijaya Bank - Bangalore Canara Bank - Bangalore Trick : 4 Bank having HQ in their own cities State Bank of Bikaner and Jaipur -- Jaipur State Bank of Hyderabad -- Hyderabad State Bank of Mysore -- Bengalooru State Bank of Patiala -- Patiala State Bank of Travancore -- Thiruvananthapuram Bank of Baroda - Baroda Bank of Maharashtra - Pune Andhra B...

Percentage based Questions Question Type -1 If there is increase of X% and subsequently X% decrease then there is always loss / decrease in the condition. Trick: (X*X)/100 Ex . If Ruhan salary is increase by 50% and subsequently decrease by 50%. How much percentage loss? Ans. Use trick: 50x50/100= 25% decrease/loss Question Type -2 (Two Successive Discounts) What single discount is equivalent to two successive discounts of X% and Y% Trick: (X+Y)-{(X*Y)/100} Ex .What single discount is equivalent to two successive discounts of 10% and 20% ? Ans. Use trick: (10+20)-(10*20)/100= 28% Question Type -3 (Two Successive Increases) What single Increase is equivalent to two successive Increases of X% and Y% Trick: (X+Y)+{(X*Y)/100} Ex .What single Increase is equivalent to two successive Increases of 10% and 20% ? Ans. Use trick: (10+20)+(10*20)/100= 32%