4436: A man takes 6 km distance to go round a rectangular area. If the area of the rectangle is 2 km, find the difference between length and breadth
(a) 1 km
(b) 0.5 km
(c) 2 km
(d) 0.75 km
4437: Consider the following statements:
1. The common blue green algae Spirogyra and Ulothrix are found in both fresh water ponds and oceans.
2. The chameleon can look ahead with one eye, and at the same time look behind with another.
Which of these statements is/are correct?
(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
4438: Saka era was introduced by:
(a) Ashoka
(b) Kanishka
(c) Chandragupta Maurya
(d) Harsha Vardhana
4439: A walks around a circular field at the rate of one round per hour while B runs around it at the rate of six rounds per hour. They start in the same direction from the same point at 7.30 a.m. They shall first cross each other at
(a) 8.30 a.m.
(b) 8.10 a.m.
(c) 7.48 a.m.
(d) 7.42 a.m.
4440: The Chishti saint, in whose honour "Urs" is held in Ajmer every year, was
(a) Nizamuddin Auliya
(b) Moin-ud-din
(c) Nasiruddin Chiragh-i-Delhi
(d) Hamidud-Din Nagori