The 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 ?A24 yearsB38 yearsC34 yearsD32 yearsসঠিক উত্তর:B.38 yearsশেয়ার :Share on FacebookShare on WhatsAppShare on Telegram
২If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is :3:43:2020:32:3বিস্তারিত
৩The breadth of a rectangular field is 60% of its length . If the perimeter of the field is 800 m, what is the area of the field ?37500 sq.m40000 sq.m48000 sq.m18750 sq.mবিস্তারিত
৪Peter purchased a machine for TK. 80,000 and spent TK. 5,000 on repair and TK. 1,000 on transport and sold it with 25% profit , At what price did he sell the machine ?TK.1,06,250TK.1,07,500TK.1,17,5001,05,100বিস্তারিত
৫A takes twice as much time as B or thrice as much time as C to finish a piece of work . Working together , they can finish the work in 2 days . B can do the work alone in :6 days8 days12 days4 daysবিস্তারিত
৬Which of the following fractions is greater than 34\frac{3}{4}43 and less than 56\frac{5}{6}65 ? 23\frac{2}{3}32910\frac{9}{10}10912\frac{1}{2}2145\frac{4}{5}54বিস্তারিত
৮Rahim ranks seventh from the top and twenty-sixth from the bottom in class . How many students are there in the class ?32333431বিস্তারিত
১০Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:2(8/11) hours3(9/17)hours4(1/2) hours11(3/17)hoursবিস্তারিত