Temperature of a place at 12:00 noon was +5°C. Temperature increased by 3°C in first hour and decreased by 1°C in the second hour.

(B) decrease

(a) India is a large country spanning over 30° of longitude. It is unusual in having a single time zone all over the country, 5½ hours fast. If the direction...

The Right option is : (b) 7°30’ W

The number is = 85041

Let the numerator of the rational number be x. Therefore, its denominator will be x + 8. The rational number will be x/x + 8. According to the question, x + 17/x +...

Let the first number be x and the second number be y.  Then, we have:  2x + 3y = 92 ……….(i)  4x - 7y = 2 ………(ii)  On multiplying (i) by 7 and (ii)...

Let the first number be x and the second number be y.  Then, we have: 3x + y = 142 ……….(i)  4x - y = 138 ………(ii)  On adding (i) and (ii), we get  7x...

Let the length of the room be x meters and he breadth of the room be y meters.  Then, we have:  Area of the room = xy  According to the question, we have:  x...

Let the length and the breadth of the rectangle be x m and y m, respectively.  Case 1: When length is increased by 3m and the breadth is decreased by 4m:  xy...

Class queue: place=[] def Insert (self): a=raw_input (“Enter city”) queue.place. append (a) def delete (self): if (queue.place = = []): print “Queue empty” else: print “Deleted element is”, queue, place [0] class queue : place = [ ] def Insert (self)...