Study the following graph carefully to answer the given questions

R started the work and left after some days, when 25% work was done. After it Z joined and completed it working for 25 days. In how many days R and Z can do the complete work, working together?

Select the correct alternative to indicate the arrangement of the following words in increasing order of rank.
1) Colonel

2) Brigadier

3) Major

4) Captain

5) General

which yojna will use drones in mapping of properties in villages and will make it easier for villagers to avail loans from banks?

Since when is the idea of secularism considered its origin?

किस विकल्प में 'ल' प्रत्यययुक्त शब्द है?

Which state/UTs administration has launched the ANMOL app under the national health mission?

Find the cost in rupees for carpeting a room 65dm× 30 dm at Rs. 45 per sq.m