Related Questions

Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
A 5 : 8
B 10 : 9
C 8 : 5
D 9 : 10
Two circular dials of exactly the same size are mounted on a wall side by side in such a way that their perimeters touch at one point. Dial 1, which is on the left , spins clockwise around its center , and dial 2 , which is on the right spins counter clockwise around its center . (Assume that there is no friction at the point of contact between the dials.) Each dial is marked on its perimeter at three points that are at equale distances around the points arked ondial 1 are N, O, and P and the points marked on dial 2 are X, Y, and Z. If points O and Z are just meeting at the point of contact between the dials , and if dial 1 spins at the same speed as dial 2, what is the smallest number of revolutions of each dial that will bring O and Z together again?
A 1
B 2
C 3
D 4
Which of the following temperature measuring instruments need not touch the object whose temperature is being measured?
A Radiation/infrared pyrometer
B Filled system thermometer
C Mercury in glass thermometer
D Thermo electric pyrometer
Which protocol has been standardised by the International Standards Organisation.
A ISAM
B ISO
C LISP
D CALL
E None of the above
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the
A Mercury in glass thermometer
B Optical pyrometer
C Iron-constantan thermocouple
D Alcohol filled thermometer
Those substances which have so far not been resolved by any means into other substances of simpler form are called
A Atoms
B Compounds
C Elements
D Molecules
If 'basis points' are defined so that 1 percent equal to 100 basis points,than 82.5 percent is how many basis points greater than 62.5percent ?
A .02
B .2
C 2000
D 200
If "basis points" are defined so that 1 percent is equal to 100 basis points, then 82.5 percent is how many basis points greater than 62.5 percent?
A 0.02
B 0.2
C 2000
D 200
Activated Charcoal is used to remove colouring matter from pure substances by
A Bleaching
B Oxidation
C Adsorption
D Reduction
Which of the following indicators is mostly used for measuring inflation in Bangladesh?
A Gini Coefficient
B GDP Deflator
C CPI
D PPI

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