১৮৫০১
The average age of 5 boys is 12 years. If one more boy joins the average becomes 13 years. The age of the new boy is-
উত্তর
18 years
১৮৫০৫
The perimeter of a rectangle is 50 cm and its length is 15 cm. What is its area?
উত্তর
150 sq cm
১৮৫০৯
In an election a candidate got 60% of the total votes and won by 400 votes. The total number of votes cast is-
উত্তর
2000