Examples 1 to 4 of chain rule

Parin Sir > Quantitative Aptitude (Maths) > Chain rule or unitary method > Examples 1 to 4 of chain rule
16
Aug
Examples 1 to 4 of chain rule

(1) If  19  dolls cost  Rs.  247,  what do 29 dolls cost  ?

Soln.      19    dolls  cost   Rs.    247

29      ”       ”         ”     ( ? )

Share
Posted in: Examples 1 to 4 of chain rule,
Tags: theorem, sutr, class, theorems, Examples, education, definition, SUMS, online, definitions, example, tutorial, fundamental, math, educational, basic, Parin, maths, base, sir, mathematics, sum, bhai, ganit, dakhla, Mehta, concept, formula, maheta, proof, sutra, classes,