গাণিতিক-যুক্তি – গণিত – কুইজ মডেল টেস্ট অনুশীলন – 29

গাণিতিক যুক্তি  | 281. Calculate the time. The banker’s discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate.

1. 8 months
2. 6 months
3. 3 months
4. 4 months

282. Two numbers A and B are Such that the sum of 5% of A and 4% of bi is two third of the sum of 6% of A and 8% of B. Find the ratio of A : B.

1. 0.0430555555555556
2. 0.16875
3. 0.125694444444444
4. 0.127777777777778

283. The population of a town incresed from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:

1. 0.09
2. 0.05
3. 0.07
4. 0.0875

284. Within a rectangular garden 10 m wide and 20 m long, we wish to pave a walk around the borders of uniform width so as to leave an area of 96 m2 for flowers. How wide should the walk be?

1. 2m
2. 3.5 m
3. 3.2m
4. 2.7 m

285. A container contains a mixture of two liquids X and Y in the ratio 7:5. When 9 litres of mixture are drawn off and the container is filled with Y, the ratio of X and Y becomes 7:9. How many litres of liquid X was contained by the container initially?

1. 10
2. 21
3. 25
4. 20

286. Which of the following is the divisible by 21, 36 and 66 and also the minimum perfect square

1. 231444
2. 213444
3. 214434
4. 214344

287. The length of a rectangle is increased by 60%. By what percent would the width have to be decreased so as to maintain the same area?

1. 0.7
2. 75/2
3. 1.3
4. 0.75

288. A Zoo has an average of 510 visitors on Sundays and 240 on other days. Find the average number of visitors per day in a month of 30 days. Assume that month is starting with Sunday.

1. 280
2. 285
3. 250
4. 276

289. Twenty-four men can complete a work in sixteen days. Thirty-two women can complete the same work in twenty-four days. Sixteen men and sixteen women started working and worked for twelve days. How many more men are to be added to complete the remaining work in 2 days?

1. 24 men
2. 36 men
3. 18 men
4. 50 men

290. X makes an investment of Rs. 1404 due in two equal half-yearly installments at rate of interest of 8% per annum. The present worth will be :

1. 1320
2. 1300
3. 1330
4. 1325

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।

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