Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?

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In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?

A. Rs.5000 B. Rs.4600 C. Rs.5400 D. Rs.2300...

The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?

A. 46 B. 56 C. 34 D. 57...

A salt manufacturing company produced a total of 5000 tonnes of salt in January of a particular year. Starting from February its production increased by 100 tonnes every month over the previous months until the end of the year. Find its average monthly production for that year?

A. 6060 B. 7070 C. 5550 D. 4440...

The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathematics and Chemistry together.

A. 40 B. 30 C. 25 D. Data inadequate...

A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?

A. 48 runs B. 52 runs C. 55 runs D. 60 runs...