3116: Hydrogen fuel cell vehicles produce one of the following as "exhaust"
(A) NH3
(B) H2O2
(C) CH4
(D) H2O
3117: A circle (C), a square (S) and an equilateral triangle (T) have the same perimeter or circumference. The correct increasing order of their areas will be:
(a) T, S, C
(b) C, T, S
(c) T, C, S
(d) C, S, T
3118: Consider the following pairs:
Sea : Bordering Country
1. Adriatic Sea : Albania
2. Black Sea : Croatia
3. Caspian Sea : Kazakhstan
4. Mediterranean Sea : Morocco
5. Red Sea : Syria
Which of the pairs given above are correctly matched?
(a) 1, 2 and 4 only
(b) 1, 3 and 4 only
(c) 2 and 5 only
(d) 1, 2, 3, 4 and 5
3119: What is the shortest route from Moscow to San Francisco?
(a) Moscow to Europe, crossing Atlantic and East coast of North America
(b) Over the North pole and over Canada and crossing Pacific
(c) Moscow to Siberia to Japan and crossing Pacific
(d) Moscow to Europe to Greenland, crossing Atlantic and then North America
3120: The following advertisement
appeared in the Times of India dated 7th August,
(a) 1931
(b) 1929
(c) 1921
(d) 1896