Question

'वसुधा' का पर्यायवाची निम्नलिखित में से कौन-सा नहीं है? *



1.अवनि

2.पृथ्वी

3.अंबर
which one is correct

​

Answer 1

Answer:

3.अंबर

Explanation:

Let the ages of Ramesh, Suresh and Mahesh be represented by R, S, M respectively.

Now, given M=R+45

(R+5)/(S+5) = 2/5

=> 5R + 25= 3S +1 0

=> 3S - 5R = 15 --------------(1)

Also,

(M-15)/(S-15) = 3/2

Putting M= R+45,

=> (R+30)/(S-15)= 3/2

=> 2R + 60= 3S - 45

=> 3S-2R = 105 ------------------(2)

Subtracting (1) from (2),

3S - 2R = 105

-(3S - 5R = 15)

----------------------------

3R = 90

=> R= 30.

Therefore,

M=R+45

M= 30 + 45= 75.

3S - 2R = 105

=> 3S - 60= 105

=> 3S = 45

=> S = 15.

Therefore, average of present ages

=(75+15+30)/3

=40. _______________Ans.