The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average mon…

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average mon…

A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and thereby decreased his average …

The average of 6 observations is 45.5. If one new observation is added to the previous observations, then the new averag…

There are 4 consecutive odd numbers (x<sub>1</sub>, x<sub>2</sub>, x<sub>3</sub> and…

The average income of A, B and C is Rs. 12,000 per month and average income of B, C and D is Rs. 15,000 per month. If th…

In an engineering college the average salary of all engineering graduates from Mechanical trade is Rs. 2.45 lacs per ann…

The average of 20 numbers is 12. The average of the first 12 numbers is 11 and that of the next 7 numbers is 10. The las…