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A, B, C ने मिलकर व्यापार आरम्भ किया . A ने 3,20,000 रु. 4 मास के लिए लगाये . तथा B ने 5.10,000 रु. 3 मास के लिए लगाये, तथा C ने 2,70,000 रु. 5 मास के लिए लगाया यदि वर्ष के अंत में कुल लाभ ,124,800.रु. हो तो B का भाग ज्ञात कीजिये?
(A) 45,900 (B) 50,000 (C) 49,200 (D) 79,000
Q.2. If
and 
find the value of y ?यदि
और 
तो y का मान ज्ञात कीजिये ?(A)
(B) 
(C) 
(D) 
Q.3. If the price of clothes decreased by 25%. And sales increased by 20%. Then, find the net effect on sales?
यदि कपडे के मूल्य में 25% कमी हो जाती है, तो कपडे की बिक्री में 20% की वृद्धि हो जाती है, तो प्राप्त बिक्री पर क्या प्रभाव पड़ेगा?
(A) 5% increased
(B) 5% decreased
(C) 10% increased
(D) 10% decreased
Q 4. 30 litre mixture contain 90% alcohol. How much water should be added to make alcohol 80%.? 30 लीटर मिश्रण में जिसमे 90% अल्कोहल है कितना पानी मिलाये जाये की अल्कोहल 80% हो जाये?
(A) 2.75 litre
(B) 3.75 litre
(C) 3.50 litre
(D) 6.5 litre
Q.5. A can do 2/5 work in 10 days. And B completed the 1/3 work in 5 days. A worked for one day, then in how many days the remaining work done finished by A and B together.?
A किसी कार्य का 2/5 भाग 10 दिन में कर सकता है, B इसी कार्य के 1/3 भाग को 5 दिन में कर सकता है A ने एक दिन कार्य किया, उसके बाद शेष कार्य को A और B ने दोनों मिलकर कितने दिन में समाप्त करेंगे?
(A) 9 days (B)
days (C) 
days (D) 10 daysQ.6. A certain number of men can complete a job in 30 days. If there were 5 men more, it could be completed in 10 days less. How many men were in the beginning?
कुछ निश्चित आदमी किसी काम को 30 दिनों में कर सकते है. यदि 5 आदमी और होते तो काम 10 दिन पहले ख़तम हो जाता. तो शुरू में कितने आदमी थे?
(A) 10 (B) 15 (C) 20 (D) 25
Q.7. In a red fort, there was a sufficient food for 50 soldiers. If after 10 days 500 more CISF soldiers join the fort then the remaining food last for 35 days. So how many soldiers were in the beginning?
लाल किले में 50 दिनों के लिए खाना प्रयाप्त है यदि 10 दिन बाद 500 CISF सिपाही और आ गए तो शेष खाना केवल 35 दिनों के लिए प्रयाप्त होता है आरम्भ में लाल किले में कितने सिपाही थे?
(A) 2500 (B) 3500 (C) 4000 (D) 4500
Q.8. If
then find the value of 
is:यदि
तो मान ज्ञात कीजिये 
?(A) 9 (B) abc (C) a+b+c (D) 3abc
Q.9.
is equal to? 
का मान ज्ञात कीजिये?(A)
(B)
(C)
(D)
Q.10. The monthly average salary of all employees of a company is Rs. 2550. If the monthly average salary of 7 engineer is Rs. 3000 and the monthly average salary of remaining employees is Rs. 2340. So how many employees are working in the company?
एक कंपनी में सभी कर्मचारी का औसत मासिक वेतन 2550 रु. है यदि 7 इंजिनियर कर्मचारी का मासिक वेतन 3000 रु. तथा शेष कर्मचारी का 2340 रु. हो तो कम्पनी में कुल कितने कर्मचारी है?
(A) 18 (B) 20 (C) 22 (D) 24
SOLUTIONS:
Q – 1 Ratio of A, B and C investment
B’s share
Q – 2
EXP. (D)
and 
then ,
Q – 3
EXP. (D)
Net change = 
Q – 4
EXP. (B)
The quantity of alcohol in 30 litre of mixture is
litre And quantity of water in 30 litre of mixture is = 3 litre.
According to question,
Q – 5
EXP.(A)
A can do 2/5 work in 10 days.
So A can do the whole work in 25 days.
B can do 1/3 work in 5 days.
So B can do the whole work in 15 days.
If A work for one day i.e 3 work has completed. So,
So the remaining work will be completed in 9 days.
Q – 6
EXP.(A)
Let the number of men originally = x.
Then,
Q – 7
EXP.(B)
Let the number of soldiers initially be x.
Then, after 10 days, the remaining food be = 40x.
Q – 8
EXP. (D)
Q – 9
EXP. (D)
Q – 1 0
EXP. (C)
Let the total number of employees in the company be x.
Those who are not engineer = x – 7
Then, according to question,
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