How many triangles are there in the following figure

This video is very useful for Tamilnadu school students and competitive exams to enhance your understanding of mathematics

How many triangles are there in the following figure:
(A) 12 (B), 13 (C) 14 (D) 15 (E) Answer not known

கீழ்கண்ட வரைபடத்தில் எத்தனை முக்கோணங்கள் உள்ளன?
(A) 12 (B), 13 (C) 14 (D) 15 (E) விடை தெரியவில்லை

[kausalyak]

A and B alone can complete a work in 8 days and 16 days .they started working together but A leaves 4 days before the work complet .In how many day enotre wok will be completed ...How to solve this sum sirrr