The followings are the numbers of books issued in a school library during a week .
105,216,322,167,273,405,and 346
find th avegage number of books issued per day.
1 Answers
Talk Doctor Online in Bissoy App
Find the missing numbers in the following table. (i) Changing kilometers into miles. `{:("Numbers of kilometers",5,10,15,20,25,30),("Number of miles",
Correct Answer - (i) 32 km, 40 km and 48 km (ii) `50^(@),59^(@) and 68^(@)`
2 Answers 1 views
Find the values of the following :- `{:((a)sin390^(@)"",(b)cos 405^(@)),((c)tan420^(@)"",(d)cos 450^(@)),((e)sin(2pi+(pi)/(6)),(f)cos(2pi+(pi)/(3))):}
Correct Answer - `{:((a)(1)/(2),(b)(1)/(sqrt(2)),(c)sqrt(3)),((d)0,(e)(1)/(2),(f)(1)/(2)):}`
2 Answers 1 views
The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820 Find the mean enrolment of the school for th
Correct Answer - 2058
2 Answers 2 views
The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows: (i) Find the range of the rainfall in the above data. (ii) Find th
Correct Answer - (i) 20.5 (ii) 5.9 (iii) 5
2 Answers 1 views
Between which two whole numbers on the number line are the given numbers lie? Which of these whole numbers is nearer the number? (a) 0.8 (b) 5.1 (c) 2
Correct Answer - (a) 0 और 1;1 `" "` (b) 5 और 6;5 (c ) 2 और 3;3 `" "` (d) 6 और 7;6 (e) 9.0 स्वयं 9 पूर्ण संख्या...
2 Answers 1 views
The triple points of neon and carbon dioxide are 24.57 K and 216.55 K, respectively. Express these temperatures on the celsius and fahrenheit scales.
Given: For neon, TK = 24.57 K For carbon dioxide, TK = 216.55 K To find: (i) Triple point of neon on celsius (TCN) and fahrenheit scale (TFN) (ii) Triple point of carbon dioxide on Celsius (TCC) and fahrenheit scale...
2 Answers 1 views
The temperatures of a city recorded during a week are 42°, 35°, 44°, 33°, 39°, 45° and 42°. The average temperature is
Correct option is (D) 40° Average temperature \(=\frac{\text{Sum of temperatures in a week}}7\) \(=\frac{42^\circ+35^\circ+44^\circ+33^\circ+39^\circ+45^\circ+42^\circ}7\) \(=\frac{280^\circ}7=40^\circ\)
2 Answers 1 views
The temperatures of a city recorded during a week are 42°, 35°, 44°, 33°, 39°, 45° and 42°. The average temperature is
2 Answers
1 views
In a senior secondary school,80 students play football or hockey.The number that play football is 5 more than twice the number that play hockey.If 15 students play both games and every student in the school plays at least one game,find (i)the number of students that play football (ii)the number of students that play football but not hockey (iii)the number of students that play hockey but not football.
I thought F or H = 80 is giving by n(F u H) = n(F) + n(H) - n(F n H)
2 Answers 8 views