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A.3π/4 B.3π/2 C.π/4 D.π/2 E.(3+π)/2 2. 75° in radian measure is A.π/75 B.75/π C.5π/12 D.12π/5 E.π/30 3.An arc PQ subtends an angle 60° at the centre O of radius 3 cm. The area of the sector POQ is A.…
How to Balance Chemical Equations Easily 1. Balance the Metals (အဆင့် ၁။ ။ Metals တွေကို ပထမဦးဆုံး ညှိမယ်) 2. Balance Nonmetals (Except H and O) (အဆင့် ၂။ ။ H နှင့် O မဟုတ်သောNonmetals တွေညှိမယ်) 3.B…
Finish each sentence in such a way that it means exactly the same as the given sentence . 1.Mandalay can be reached by plane. Mandalay can be reached by train.( Mandalay can be reached not only ………………
is a sector of a circle with centre O, radius 8 cm and a perimeter 22 cm. Then the area of sector, in square cm is A. 6 B. 28 C. 24 D. 48 E. 12 6. The area , in cm2 , of a circle has the same numeric…
. Displacement is not a ……… quantity. 9. The maximum value of the resultant of two vectors acting at a point occurs when they are in ………. directions. 10. If the sum of the vectors is zero, the two ve…
(1) There are _____ main types of motion. (2) An accelerated body is one whose velocity is _____ . (3) The unit 〖cm s〗^(-1)is the unit of _____ . (4) If a body starts from rest , its initial velocity…
. If the number 31200 is put in the form 3.12 ×10n, the value of n is A. 1 B. 2 C. 2 D. 4 E. 5 2. The scientific notation 3.5 ×103 multiplied by 3 is A. 1.05 ×102 B.1.05×1010 C. 1.05×103 D.1.05×109 E…
A.π/75 B.75/π C.5π/12 D.12π/5 E.π/30 3.An arc PQ subtends an angle 60° at the centre O of radius 3 cm. The area of the sector POQ is A. 270 〖cm〗^2 B. 3/2 〖cm〗^2 C. 3π/2 〖cm〗^2 D. 3π 〖cm〗^2 E. 180 〖cm…
x+y=2x, then x:y=………. A. 1:2 B. 2:3 C.3:4 D. 3:5 E. 4:5 4. The ratio 27:36 , expressed as a percentage, is A. 25% B. 45% C. 60% D. 75% E. 80% 5.The ratio 2:x , expressed as a percentage , is 40%, the…