"15 Days Plan Aur Half Terms Ka Khauf khatam!!"

A and B together can do a job in 15 days and A alone could do the same job in 20 days how many days would B take to do half the job if he worked alone

Representation of sin A;cos A;tan A in terms of half angle.

Can aur Could ka shi use karna seekho

Too aur Very ka sahi use

In a sample initially there are equal number of atoms of two radioactive isotopes A and B. 3 days later the number of atoms of A is twice that of B. Half life of B is 1.5 days. What is half life of isotope A? (in days)

The eighth term of an AP is half its second term and the eleventh term exceeds one-third of its fourth term by 1. Find the 15th term.

In an AP 6^(th) term is half the 4^(th) term and the 3^(th) term is 15. How many terms are needed to give a sum that is equal to 66.

A does half as much work as B, and C does half as much work as A and B together. If C alone can finish the work in 40 days, then all together will finish the work in (B) 15 days (A) 13(1/3) days (D) 30 days (C) 20 days