86. On a stage, D, N, A and P are standing as described below facing North.
(i) N is 2.5 m to the west of A
(ii) K is 4 m to the right of A.
(iii) D is 6 m to the south of K.
(iv) P is 9 m to the north of D.
If a boy walks from N, meets A followed by K, D and then P, how many metres has he walked if he has travelled the straight distance all through?
A. 15 m
B. 18 m
C. 21.5 m
D. 22.5 m
87. Which one of the following groups contains graphical file extensions?
A. JPG, CPX, GCM
B. GIF, TCE, WMF
C. TCP, JPG, BMP
D. JPG, GIF, BMP
88. Which conclusion is true with respect to the given statements?
Statement:
(i) All squares are rectangles.
(ii) All rectangles are polygons.
Conclusion:
A. Square is a polygon.
B. Squares are not a rectangle.
C. Square is not a polygon.
D. Square is a rectangle and polygon.
89. Entomology is the science that studies
A. Behavior of human beings
B. Insects
C. The origin and history of technical and scientific terms
D. The formation of rocks
90. For seeing objects at the surface of the water from a submarine underwater, the instrument used is
A. Kaleidoscope
B. Periscope
C. Spectroscope
D. Telescope