1556: The given diagram shows the number of students who failed in an examination comprising papers in English, Hindi and Mathematics. The total number of students who took the test is 500. What is the percentage of students who failed in at least two subjects ?
(a) 6.8
(b) 7.8
(c) 34
(d) 39
1557: Assertion (A) :
A tennis ball will bounce higher in Calcutta than it would in Shimla.
Reason (R) :
The downward pull due to gravity is less and air is more rarefied in Shimla than in Calcutta.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
1558: An air bubble in water will act like a
(a) convex mirror
(b) convex lens
(c) concave mirror
(d) concave lens
1559: Duncan pass is located between:
(a) North Andaman and South Andaman
(b) North Andaman and Car Nicobar
(c) South Andaman and Car Nicobar
(d) South Andaman and Little Andaman
1560: Which one of the following is the correct chronological order of the battles fought in India in the 18th century?
(a) Battle of Wandiwash-Battle of Buzar-Battle of Ambur-Battle of Plassey
(b) Battle of Ambur-Battle of Plassey- Battle of Wandiwash-Battle of Buxar
(c) Battle of Wandiwash-Battle of Plassey-Battle of Ambur-Battle of Buxar
(d) Battle of Ambur-Battle of Buxar- Battle of Wandiwash-Battle of Plassey