
গাণিতিক-যুক্তি – গণিত – কুইজ মডেল টেস্ট অনুশীলন – 28
271. Two cards are drawn together at random from a pack of 52 cards. The probability of both the cards being kings is :
- 25/57
- 1/221
- 35/251
- 42750
272. There are 8 red, 7 blue and 6 green balls in a box. Find the probability, if a ball is picked up randomly that it is neither red nor green.
- 42935
- 42801
- 42999
- 42738
273. A typist uses a sheet measuring 20 cm by 30 cm lengthwise. If a margin of 2 cm is left on each side and a 3 cm margin on top and bottom, then percent of the page used for typing is:
- 64
- 75
- 70
- 40
274. A and B can do a piece of work in 45 days and 40 days respectively. They began to do the work together but A leaves after some days and then B completed the remaining work in 23 days. The number of days after which A left the work was:
- 12
- 7
- 9
- 11
275. What will be the value of ab such that a – b = 3 and a2 + b2 = 29 ?
- 12
- 16
- 14
- 10
276. Find the time period in which a sum of Rs. 450 will yield Rs. 81 as interest at 4.5 % p.a. of simple interest ?
- 4.5 years
- 5 years
- 4 years
- 3.5 years
277. The diagonal of a rectangle is V4I cm and its area is 20 sq. cm. The perimeter of the rectangle must be:
- 22 cm
- 18 cm
- 10 cm
- 42 cm
278. Find the average marks of all the students. If the average marks of three batches conssiting of 55, 60 & 45 students respectively is 50,55,60.
- None of these
- 55
- 54.68
- 53.33
279. Jayesh is as much younger then Anil as he is older then present. If the sum of the ages of Anil and present is 48 years, What is Jayesh’s age in years?
- 24
- 29
- 30
- 25
280. A sum of mone is divided among 160 males and some females in the ratio 16:21. Individuallyeach male gets Rs. 4 and each female gets Rs. 3. The number of females is:
- 298
- 292
- 293
- 280
আমাদের কাছে থাকা লক্ষ লক্ষ মডেল টেস্ট থেকে প্রাকটিজের জন্য কিছু এখানে তুলে ধরা হল। প্রতিটি অধ্যায়ের উপরে ইশিখন.কম কুইজ চ্যালেঞ্জ এ আছে শত শত মডেল টেস্ট বার বার মডেল টেস্ট দিয়ে নিজেকে যাচাই কর এবং পুরো বাংলাদেশের সকল শিক্ষার্থীর সাথে আপনার মেধা তালিকা দেখুন। প্রশ্নে কোন প্রকার ভুল থাকলে সঠিক উত্তরসহ নিচে কমেন্ট করে জানাবেন, আমরা ঠিক করে দেবো।