The mean of marks secured by 45 students in division A of class X is 56, 40 students of division B is 52 and that of 40 students of division C is 50. Find the mean of marks of the students of three divisions of Class X.
View Answer Report Error Discuss
On dividing 221a2b2 by 13b2, we get _____.
What is the area (in sq cm) of a rectangle if its diagonal is 26 cm and one of its sides is 10 cm?
What is the value of equation a3+b3+c3-3abc if a2+b2+c2=ab+bc+ca+4 and a+b+c = 4.
For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?
Ram and Rahim standing at a distance of 680m run towards each other at a speed of 8 m/sec and 9 m/sec respectively. After how long will they meet?
Find the number of prime factor of 1024.
What number, from the following should be deducted from 1184 to make it exactly divisible by 21?