১০২১৪
ABCD is a rectangle. If its length is decreased by 5 meter and the width is increased by 3 meter, the area decreases by 9 square meters. If its length is increased by 3 meter and the width is increased by 2 meter, the area increases by 67 square meters. What is the width of ABCD?
উত্তর
9 meter
১০২১৫
A, B and C working individually can complete a task in 30 days, 15 days and 10 days respectively. If A starts working alone and B and C helps A on every 2nd and 3rd day respectively, how long will it takes to be completed?
উত্তর
12 days
১০২১৬
Jamil can run 1 km in 4 minutes. He has a car that has a top speed of 75 km/hour. Jamil's speed is what percentage of his car's top speed?
উত্তর
20%
১০২১৭
A certain amount of money earning simple interest becomes 7/5th of the initial amount in 4 years. What is the interest rate?
উত্তর
10%
১০২১৯
A batter scored 87 runs in her 17th innings, which increased her career average by 3 runs. What is the average run after the 17th innings?
উত্তর
39
১০২২০
একজন ফল বিক্রেতা ৩০% কমলা বিক্রি করল এবং তার নিকট আরো ৬৩০ টি কমলা আছে। সে সর্বমোট কতটি কমলা কিনেছিল?
উত্তর
900