721: Consider the following statements:
A 4-wheel vehicle moving a sharp circular path at high speed will
1. Overturn about its outer wheels
2. Overturn about its inner wheels
3. Skid outwards
4. Skid inwards
Which of these statements are correct?
(a) 1 and 3
(b) 2 and 4
(c) 2 and 3
(d) 1 and 4
722: Indonesian forest fire in 1997 was caused by
(a) greenhouse effect
(b) depletion of ozone layer
(c) El Nino effect
(d) None of the above
723: Consider the following statements
1. India is the original home of the cotton plant.
2. India is the first country in the world to develop hybrid cotton variety leading to increased production.
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
724: The year of 'Great Divide', in Indian demography, is:
(a) 1905
(b) 1921
(c) 1947
(d) 1965
725: Amit starts from a point a and walks to another points B, and then returns from B to A by his car and thus takes a total time of 6 hours and 45 minutes. If he had driven both ways in his car, he would have taken 2 hours less. How long would it take for him to walk both ways ?
(A) 8 hours 45 minutes
(B) 8 hours 30 minutes
(C) 7 hours 45 minutes
(D) 8 hours 15 minutes