৭৬৩১
X can do a work in 10 days and Y in 15 days. If they work on it together for 3 days, then the fraction of the work that is left is-
উত্তর
1/2 part
৭৬৩২
A canteen requires 105 kgs of wheat for a week. How many kgs of wheat will it require for 58 days?
উত্তর
870 kgs
৭৬৩৩
The difference between two numbers is 960. When the larger number is divided by the smaller, the quotient is 5 and the remainder is 12. What is the smaller number?
উত্তর
237
৭৬৩৪
The least number by which 108 must be multiplied to make it a perfect square is-
উত্তর
3
৭৬৩৫
The batting average for 27 innings of a cricket player is 47 runs. His highest score in an innings exceeds his lowest score by 157 runs. If these two innings are excluded, the average score of the remaining 25 innings is 42 runs. Find his highest score in an innings.
উত্তর
188
৭৬৩৬
Find the H.C.F. of p(x) = 2x 3 - 3x 2 - 2x + 3 and q(x) = 3x 2 + 8x + 5.
উত্তর
(x + 1)
৭৬৩৭
3/7 part of the tank is full of water. When 42 liters of water is taken out, the tank becomes empty. The capacity of the tank is -
উত্তর
98 liters
৭৬৩৮
A 120 meters long train is running at a speed of 108 km per hour. It will cross a railway platform 210 m long in-
উত্তর
11 sec
৭৬৩৯
Two cars A and B travel from point P to point Q. Car A starts 1 hour before car B and reaches Q 2 hours after B when travelled at a speed 30 km/hr. If speed of car B is 50 km/hr, then find the distance between point P and point Q.
উত্তর
225 km
৭৬৪০
রহিম, করিম এবং গাজী তিন জনে একটি কাজ করতে পারে যথাক্রমে 15, 6 এবং 10 দিনে। তাহারা একত্রে তিন জনে কাজটি কত দিনে শেষ করতে পারবে?
উত্তর
3 দিন