3526: A person travels from X to Y a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for both the trips ?
(a) 36 kmph
(b) 45 kmph
(c) 48 kmph
(d) 50 kmph
3527: The tropical deciduous trees shed their leaves in summer:
(a) Leaves get dried up due to the excessive heat
(b) To prevent excessive loss of water through transpiration
(c) Because rainfall is inadequate
(d) Days are longer
3528: Which one of the following is not a lagoon?
(a) Ashtamudi lake
(b) Chilka lake
(c) Periyar lake
(d) Pulicat lake
3529: The minimum possible temperature beyond which matter cannot be cooled is
(a) -98.10° C
(b) -100.00° C
(c) -273.15° C
(d) -459.40° C
3530: Which one of the following is not a drug/pharma company?
(a) Chevron
(b) Pfizer
(c) Nicholas Piramal
(d) Zydus Cadila