4586: If the product of two numbers is 320 and their ratio is 1 : 5, what is the difference between the squares of these two numbers ?

(a) 1024

(b) 1365

(c) 1536

(d) 1635
4587: Sugarcane, sugarbeet, sweetpea, chickpea, pigeonpea and French bean belong to

(a) two plant families

(b) three plant families

(c) four plant families

(d) five plant families
4588: India is home to lakhs of persons with disabilities. What are the benefits available to them under the law?

1. Free schooling till the age of 18 years in government-run schools.

2. Preferential allotment of land for setting up business.

3. Ramps in public buildings.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4589: Who among the following laid the foundation of Rashtrakuta Empire?

(a) Amoghavarsha I

(b) Dantidurga

(c) Dhruva

(d) Krishna I
4590: otal time taken by a person in going to a place by walking and returning on cycle is 5 hours 45 minutes. He would have gained 2 hours by cycling both ways. The time taken by him to walk both ways is

(a) 6 hours 45 minutes
(b) 7 hours 45 minutes
(c) 8 hours 15 minutes
(d) 8 hours 30 minutes