While answering this question, the last number in the box on the right hand side was only visible as one digit i.e, 3. So my son couldn't tabulate the correct answer and flagged the question.
Garima and Latika had an equal number of marbles. Garima gave 35 marbles to Latika. How many fewer marbles did Garima have than Latika now?
The mean height of the 10 girls of a class is 1.4 m and the mean height of the 30 boys of the class is 1.45 m. Find the approximate mean height of the 40 students of the class.
(a) 1.39 m
(b) 1.46 m
(c) 1.42 m
(d) 1.44 m
What is the sum of an A.P. whose first term is a, the second term is b and the last term is c?