SOLVE A WIDE RANGE OF QUESTIONS FROM MIXTURES & ALLIGATIONS Presented by Dhiraj Singh

About me .B.Sc. (Hons.) from BHU Varanasi 24th rank in CGL-2015(tier 1+tier2) . Score: tier 1-150 tier 2- 347.25 .total-497.25 out of 600 .Course fee: CONTRIBUTE Follow me on Unacademy at: https://unacademy.in/user/dhirajaryal

8. A fresh water melon of 20 kg contains 96% water. After some days, due to sun heat, water remained 95%. Find weight of watermelon now

86 WATER OTHE WILL BE SAME 5% of New w": 800 20

9. Average monthly salary of 7 technicians in a workshojp is 1200. If average monthly salary of non-technician is 600 and that of all workers is 800 then find total number of employees.

Technician 1 200 Non- +eeh 600 800 200 X7 7

10, A liquor with 40% spirit was replaced with another liquor of 20% spirit so that strength of spirit in mixture became 25%. Find part of first liquor that was replaced.

20 25 515 3 2 BEFORE 4 SO CHANGED ,ART 3

.11. There were total 40 heads and 100 legs of hens and goats in a cage. Find number of goats.

HENS GOATS 2 Remaining =100-80= 2. Goat, -2.0 2.

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Dhiraj Singh Chauhan

Income-tax Inspector, Cleared Assistant Commandant(SSB), From Saharanpur

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Vinod Bairwa

a year ago

sir alp tech key question provided kara dijie

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Farha Khan

3 years ago

A liquor with 40% spirit was replaced with another liquor of 18% spirit, so that strength of spirit in mixture became 25%. Find part of first liquor that was replaced.
please solve this question, i am unable to solve it with the trick of question number 10th that you had explained in the above video.

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SP

Sachin Pareek

3 years ago

could you plz tell me in 10th question phle wala part ka ratio 4:0 kese hua?? I don't understand why sir took it is 0 ? plz explain

Vysakh S

3 years ago

15/22
ratio after replacing is 7:15
so initially there was 22 parts of 1st one isme se 15 replaced

Keshu Chhabra

a year ago

15/22

Karuna

3 months ago

15/22

Aditi Singh

3 years ago

I think Last question can also by use of equations.. let 'X' be number of hens...and 'Y' be number of goats... X+Y=40 (heads).....eq1 2X+4Y=100 (Legs) so, X+2Y=50.......eq 2 Eq2-Eq1
Y=10 i.e. No. Of Goats..!!

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Ritesh Bandhan

2 years ago

Sir plzz make more video .......uur doing great work ....to helful people ......love sir .....thanks sir

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Ritesh Bandhan

2 years ago

Sir plzz make more video .......uur doing great work ....to helful people ......love sir .....thanks sir

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Ayesha Mahmoodi

3 years ago

Thanks a lot Sir, for this lucid explanation of the topic.... Sir, I wanna ask, if we solve the question only from KIRAN , after understanding the concept , is it enough???

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