Question

5 संख्याओं का औसत 10 है कौन सी संख्या जोड़ी जाए की औसत 12 हो जाए​

Answer 1

Answer:

you should add 22

Step-by-step explanation:

sum= no.×avg

sum=5×10

=50

we want avg 12

sum= avg× no.

sum=12 ×6

( already we have 5 no. when we add a new then we have 6 no. )

sum=72

then added no. is = new avg - old avg

=72 -50

=22 is the answer