Time and Distance 1. 1 Kmph = (5/18) m/s 2. 1 m/s = (18/5) Kmph 3. Speed(S) = Distance(d)/Time(t) 4. Average Speed = Total distance/Total Time = (d1+d2)/(t1+t2) 5. When d1 = d2 , Average speed = 2S1S2/(S1+S2), where S1 Read More …

# Month: April 2017

## Time and Work Important Formulae – Quantitative Aptitude

1. If 1/n of a work is done by A in one day, then A will take n days to complete the full work. 2. If A can do a piece do a piece of work in X days and Read More …

## Simple and Compound Interest important Formulae

1. Simple Interest, SI = PTR/100 2. Principal, P = 100 * SI/RT 3. Rate, R = 100 * SI/PT 4. Time, T = 100 SI/RP 5. Amount, A = P + SI = P + (PTR)/100 6. If Read More …

## Important Quantitative Fromulae – Profit and Loss

1. Gain = SP – CP 2. Loss = CP – SP 3. Gain on Rs. 100 is Gain per cent 4. Gain% = (Gain * 100)/CP 5. Loss on Rs. 100 is Loss per cent 6. Loss% = (Loss Read More …

## Important Quantitative Fromulae for Aptitude tests – Average

1. Average = Sum of quantities/ Number of quantities 2. Sum of quantities = Average Number of quantities 3. The average of first n natural numbers is (n +1)/2 4. The average of the squares of first n natural Read More …

## Important Aptitude Formulae – Ratio and Proportion

1. If four quantities are in proportion, then Product of Means = Product of Extremes. In the proportion a:b::c:d, we have bc = ad 2. If a:b::c:x, x is called the fourth proportional of a, b, c. a/b = c/x Read More …

## Important Quantitive Formulae – Algebra Formulae

Here are most important mathematics Formulae for Algebra 1. (a+b)2 = a2 + 2ab + b2 2. (a-b)2 = a2 – 2ab + b2 3. (a+b)2 = (a-b)2 + 4ab 4. (a-b)2 = (a+b)2 – 4ab 5. (a+b)3 = a3+b3+3ab(a+b) Read More …

## Important Formulae – Number System

Number system important formulae 1. When sum and difference of two numbers (X and Y) are given, then X = (sum + difference)/2 Y = (sum + difference)/2 2. Sum of first n odd numbers is n2 3. Sum of Read More …

## Most Important current affairs for upcoming exams (5)

Seven new countries join BEPS agreement Seven new countries Lithuania, Gabon, Hungary, Indonesia, Malta, Mauritius and Russia – have signed Multilateral Competent Authority Agreement for Country-by-Country Reporting (CbC MCAA). With this, the total number of signatories has increased to 57 Read More …

## Most Important Current Affairs for Upcoming Exams ( 4)

Government launches Swachh Bharat Survekshan 2017 in 500 cities The Union Ministry of Urban Development launched Swachh Survekshan 2017 to rank 500 cities/towns across the country on cleanliness with a population of 1 lakh and above The survey will be Read More …