What is the fourth proportional of 3,9 and 4?

A 12
B 16
C 8
D 6

Correct Answer: 12

আমরা জানি, সমকোণী ত্রিভুজের ক্ষেত্রে, অতিভুজ 2  =  লম্ব2  +  š D;ূমি2 এখানে, a. 42  + 32  = 16 + 9 = 25  ≢ 62 = 36;সুতরাং সম্ভব নয়। b. 52  + 42  = 25 + 16 = 25  ≢ 62 = 36;সুতরাং সম্ভব নয়। c. 82  + 72  = 64 + 49 = 113  ≢ 112 = 121;সুতরাং সম্ভব নয়। d. 122  + 52  = 144 + 25 = 169  ≢ 132 = 169; সুতরাং সম্ভব। ∴ নির্দিষ্ট অনুপাতটি হলো : 13 : 12 : 5
Bissoy MCQ
#গণিত #IFIC Bank Ltd #Trainee Asst. Officer 09.02.2018

Related Questions

In a class , three-fourth of the boys play football, one-half play cricket, one fourth of those who play cricket do not play football. Which of the following statements is definitely true?
A One-third of the boys play neither cricket nor football
B Two-third of the boys play only football
C One -Fourth of the boys play neither cricket nor football
D Two-fifth of the boys play only football
In a class, three-fourth of the boys play football, one-half play cricket, one-fourth of those who play cricket do not play football.
A Two-third of the boys play only football.
B One-fourth of the boys play neither cricket nor football.
C One-third of the boys play neither cricket nor football.
D One-eighth of the boys play neither cricket nor football.
E Two-fifth of the boys play only football.
One -fourth of the boys and three -eight of the girls in a school participated in the annual sports. What proportional part of the total student population of the school participated in the annul sports?
A 4/12
B 5/8
C 8/12
D None of these
What is the fourth proportional to 72, 168 and 150?
A 450
B 300
C 350
D 400
What is the fourth proportional to 24, 120 and 22?
A 110
B 120
C 100
D 90
What is the fourth proportional to 6, 24 and 83?
A 249
B 332
C 166
D 498
What is the fourth proportional to 189, 273 and 153?
A 117
B 299
C 221
D 187
The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the
A Lewis-Randall rule
B Statement of Vant-Hoff equation
C Le-Chatelier's principle
D None of these
If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
A $$\left( {A + B} \right)\alpha \,C$$
B $$\left( {A - B} \right)\alpha \,\frac{1}{C}$$
C $$\sqrt {AB} \,\alpha \,C$$
D $$\frac{A}{B} = {\text{constant}}$$
একটি কণা t = 0 সময়ে স্থির অবস্থা থেকে যাত্রা শুরু করে। কণাটির ওপর প্রযুক্ত লব্ধি বল, সময় t এর সমানুপাতিক। কণাটির গতিশক্তি নিচের কোনটির সমানুপাতিক হবে? (A particle starts from rest at t = 0. The net force acting on the particle is proportional to time t. Its kinetic energy is proportional to which one of the following?)
A t2
B t3
C t
D t4

Next steps