Find the sum of the first 8 even natural numbers.A30B22CNone of theseD32সঠিক উত্তর:D.32শেয়ার :Share on FacebookShare on WhatsAppShare on Telegram
১The total of the ages of Ali , Gazi and Masud is 93 years. Ten years ago, the ratio of their ages was 2 : 3 : 4 . What is the present age of Masud ?24 years38 years34 years32 yearsবিস্তারিত
২What will be the least number which when doubled with be exactly divisible by 12, 18, 21 and 30 ?63012602520196বিস্তারিত
৩A train 800 meters long is running at a speed of 78 km/hr . If it crosses a tunnel in 1 minute, then the length of the tunnel ( in meters ) is :360500540130বিস্তারিত
৪If 4 (A’s capital) = 6 (B’s capital), then out of a profit of TK. 4650, C will receive :90015502250465বিস্তারিত
৫How many times in a day, are the hands of a cock in straight line but opposite in direction ?22244820বিস্তারিত
৬Two numbers A and B are such that the sum of 5% of A and 4%of B is two-third of the sum of 6% of A and 8%of B. Find the ratio of A : B .1 : 13 : 44 : 32 : 3বিস্তারিত
৮3 pumps , working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day ?1011129বিস্তারিত
১০A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14, and x. He found the mean to be 12. What should be the number in place of x ?717313বিস্তারিত