A teacher gave a student the task of adding āNā natural numbers starting from 1. After a while, the student reported his result as 700. The teacher replied that his result was wrong. The student realized that
he had added one number twice by mistake. Find the sum of the digits of the number which the student had added twice.
In an examination,a student gets 5 marks for every right answer and loses 2 marks for every wrong answer.If he answers 50 questions and get 124 marks, how many are correct answers he attempted?
white and black Birds r sitting in a telephone wire.At least one from white and one from black.Color must repeat after every 4 and 7 birds. What is the max no of arrangement.
There are two groups A and B of a class, consisting of 42 and 28 students respectively . If the average weight of group B is 40 kg, find the average weight of the whole class.
There r few things whch we knw whch r nt capable of mathmatical reasoning nd when these can nt it is a sign dt our knowledge of them is very smal nd confusd nd where a mathmaticl reasing can be had . It is as dark a foly to make use a candle stick as to g
Unknown
AS A KEY OPENS THE DOOR, MATHS IS THE KEY TO ALL PROBLEMS WHICH ARE THEORITICALLY PROVED.