4001: The area of an ellipse is twice that of a circle. The major diameter of the ellipse is twice that of the minor diameter. The radius of the circle is
(a) 50% of minor diameter of the ellipse
(b) 50% of major diameter of the ellipse
(c) minor diameter of the ellipse
(d) major diameter of the ellipse
4002: In the series
AABABCABCDABCDE........
which letter occupies the 100th position?
(a) I
(b) K
(c) H
(d) J
4003: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases
4004: The following advertisement
appeared in the Times of India dated 7th August,
(a) 1931
(b) 1929
(c) 1921
(d) 1896
4005: The First Buddhist Council met at
(a) Rajagriha
(b) Pataliputra
(c) Jalandhara
(d) Kashmir