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Question - 1 : Rahim is 12 years old. He is three times older than Karim. What will be the age of Rahim when he is two times older than Karim ?

a) 15

b) 16

c) 17

d) 18

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Question - 2 : He divided the money - the two children .

a) between

b) among

c) in between

d) over

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Question - 3 : হীরা তাকে মেরে ধুনে দিয়েছে |

a) Hira has beaten him to a mummy.

b) Hira has beat him to a mummy.

c) Hira has beaten to him to a mummy.

d) Hira has beaten him to mummy.

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Question - 4 : Frightened : Scream :: Angry :

a) Shout

b) Shiver

c) Cry

d) Sneer

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Question - 5 : x2-11x+30 এবংx3-4x2-2x-15 . এর গ.সা.গু কত?

a) x-5

b) x-6

c) x2+x+3

d) x2-x+3

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Question - 6 : আর কিছু?

a) Anything is else?

b) Is anything else?

c) Anything else?

d) Nothing else?

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Question - 7 : সাম্প্রতিক কাতার সংকটের সময় কোন দেশটি কাতারের সাথে কূটনৈতিক সম্পর্ক ছিন্ন করে নাই ?

a) বাহরাইন

b) কুয়েত

c) সংযুক্ত আরব আমিরাত

d) মিশর

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Question - 8 : No one can - that he is clever.

a) defy

b) deny

c) denounce

d) discard

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Question - 9 : x+y=8,x-y=6 হলে ,x2+y2 এর মান-

a) 80

b) 60

c) 40

d) 50

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Question - 10 : Do not make a noise while your father -

a) has slept

b) is sleeping

c) asleep

d) is being asleep

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Red Blood Cells (likewise called erythrocytes or RBCs)

Known for their brilliant red shading, red cells are the most bounteous cell in the blood, representing around 40 to 45 percent of its volume. The state of a red platelet is a biconcave circle with a straightened focus - as it were, the two essences of the circle have shallow bowl-like spaces (a red platelet resembles a doughnut).

Generation of red platelets is constrained by erythropoietin, a hormone created fundamentally by the kidneys. Red platelets start as juvenile cells in the bone marrow and after around seven days of development are discharged into the circulation system. In contrast to numerous different cells, red platelets have no core and can without much of a stretch change shape, helping them fit through the different veins in your body. Notwithstanding, while the absence of a core makes a red platelet progressively adaptable, it additionally restricts the life of the cell as it goes through the littlest veins, harming the cell's films and draining its vitality supplies. The red platelet makes due all things considered just 120 days.

Red cells contain a unique protein called hemoglobin, which helps convey oxygen from the lungs to the remainder of the body and afterward returns carbon dioxide from the body to the lungs so it tends to be breathed out. Blood seems red as a result of the huge number of red platelets, which get their shading from the hemoglobin. The level of entire blood volume that is comprised of red platelets is known as the hematocrit and is a typical proportion of red platelet levels.