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What should be the ratio of sugar in a mixture costing BDT 50 per kg and BDT 55 per kg, such that there will be 10% profit if the mixture is sold for BDT 60 per kg?

ASat Dec 30 1899 10:11:00 GMT+0000 (Coordinated Universal Time)

BSat Dec 30 1899 10:01:00 GMT+0000 (Coordinated Universal Time)

CSat Dec 30 1899 01:10:00 GMT+0000 (Coordinated Universal Time)

DSat Dec 30 1899 06:05:00 GMT+0000 (Coordinated Universal Time)

উত্তর : C.

Sat Dec 30 1899 01:10:00 GMT+0000 (Coordinated Universal Time)

শেয়ার :

সম্পর্কিত প্রশ্ন সমূহ

১.

A circle is inscribed in a right triangle whose legs measure 9 and 12. Find the radius of the circle.

C3.5

২.

In a geometric progression, the 3rd term is 12 and the 6th term is 96. Find the sum of the first 8 terms.

A510

B765

C1020

DNone

৩.

The present age of a father and his son are in ratio 7: 2. Five years ago the ratio was 6: 1. Find the sum of their present ages.

A45 years

B40 years

C35 years

D30 years

৪.

How many positive divisors of 7200 are perfect squares?

B10

C12

D15

৫.

For $x > 0$ , what is the minimum value of $x\:+\:\frac{16}{x}$ =?

C12

D16

৬.

A cistern is normally filled in 6 hours, but a leak makes it take 8 hours. How long would the leak alone take to empty a ful cistern?

A24 hours

B30 hours

C36 hours

D48 hours

৭.

Nasif's watch gains 4 minutes per hour. It was correct at 2:00 pm yesterday. When it displays 6:00 am today. What is the accurate time?

4 : 00 am

4 : 30 am

5 : 00 am

5 : 30 am

৮.

ab is negative and $a² + b²$ is greater than o, but less than 114. What is the minimum value of ab?

$-45$

$-48$

$-49$

$-56$

৯.

If positive integers m and n satisfy $m + n < 10$ , how many distinct values can mn assume?

A16

B17

C18

D20

১০.

Find the smallest positive integer that leaves remainder 3 when divided by 7, remainder 4 when divided by 9, and remainder 8 when divided by 11.

A256

B283

C361

D428