It the length of a rectangular field is increased by 20% and the breadth is reduced by 20%, the area of the rectangle will be

192 m². What is the area of the original rectangle?

Mr X invested a certain amount in Debt and Equity Funds in the ratio of 4 : 5. At the end of one year. he earned a total dividend of 3094 on his investment. After one year, he reinvested the amount including the dividend in the ratio of 6 : 7 in Debt and Equity Funds. If the amount reinvested in Equity Funds was Rs 94,500, what was the original amount invested in Equity Funds?

A number series is given. In each series, only one number is wrong. Find out the wrong number.

7 13 25 49 97 194 385 

A number series is given. In each series, only one number is wrong. Find out the wrong number.

 32 16 24 65 210 945 5197.5 

A number series is given. In each series, only one number is wrong. Find out the wrong number.

 2 8 12 20 30 42 56

A number series is given. In each series, only one number is wrong. Find out the wrong number.

4 12 42 196 1005 6066 42511