Related Questions

In the following sentence the word principal' occurs three times "The principal (1) aim of the principal (2) of the college was to help build new roads to link the area's principal (3)schools" Indicate the use(s) in which the meaning of the word “Principal is ‘chief or main',
A Use (1)
B Use(2)
C Use (3)
D Both (1) & (3)
Find the position of the image formed by a concave mirror when the object is placed between P and F?
A At infinity
B Between F and C
C Behind the mirror
D Beyond C
In a concave mirror when the object is placed at infinity which of the following applies to the image?
A Real, inverted, highly enlarged image at center of curvature (C)
B Real, inverted image of the same size at centre of curvature (C)
C Real, inverted, diminished image between centre of curvature (C) and principal focus (F)
D Real, inverted, highly diminished image at focus
There are 23 poles with a constant distance between each pole. A car takes 24 seconds to reach the 12th pole. How much more time will it take to reach the last pole?
A 40 seconds
B 44 seconds
C 48 seconds
D 46 seconds
What is the principal focus of a spherical mirror?
A It is a point from which the rays of light appear to be coming from on the principal axis of a convex mirror
B It is the point on the principal axis through which rays of light parallel to the principal axis pass after reflection or appear to be arising from this point on the principal axis
C It is the centre of a hollow sphere of which the spherical mirror is a part
D It is the midpoint of a spherical mirror
What is defined as the investment of loan or principal which is based not only on the original amount of the loan or principal but the amount of loaned or principal plus the previous accumulated interest?
A Effective rate of interest
B Nominal rate of interest
C Compound interest
D Simple interest
Arman wanted to have Tk. 39,200 as interest after 5 years. He has invested an amount in an account for 1 year at 8% interest rate. From the 2nd year, he invested the principal amount in another account offering 10% interest for 3 years. At the beginning of the fifth year he invested the Principal amount in another account at the rate of 11%. What was the principal amount? (assume simple interest rate)
A Tk. 50,000
B Tk. 80,000
C Tk. 70,000
D Tk. 90,000
E None of them
One half of a pole is deep into the soil under water, one-third of it is above the soil under water and 2 meters of it is above the water level. The total length of the pole in meters is :
A 8
B 10
C 12
D 14
One-half of a pole is deep into the soil under water, one-third of it is a above the soil under water and 2 meters of it is above the water level. What is the total length of the pole (in meters)?
A 8
B 10
C 12
D 14
One half of pole is deep into the soil under water, one-third of it is above the soil under water and two meters of it is above the water level. The total length of the pole in meter is-
A 8
B 10
C 12
D 14

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