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1. In a mixture of three varieties of pulses, the ratio of their weight is 4 : 5 : 8. If 5 kg of pulses of the first variety, 10 kg of the second variety and some quantity of pulses of the third variety are added to the mixture, the ratio of the weights of three varieties of pulses becomes as 5 : 7 : 9 . in the final mixture , find the quantity of third variety of pulses was : ?
1. In a mixture of three varieties of pulses, the ratio of their weight is 4 : 5 : 8. If 5 kg of pulses of the first variety, 10 kg of the second variety and some quantity of pulses of the third variety are added to the mixture, the ratio of the weights of three varieties of pulses becomes as 5 : 7 : 9 . in the final mixture , find the quantity of third variety of pulses was : ?
(A) 42
(B) 48
(C) 40
(D) 45
2. A person started his journey in the morning. At 11.a.m he covered 
of the jouney and on the same day at 4.30 p.m. he covered 
of the journey. He started his jouney at ?
of the jouney and on the same day at 4.30 p.m. he covered of the journey. He started his jouney at ?एक व्यक्ति अपनी यात्रा सुबह प्रारम्भ करता है 11 बजे तक वह अपनी यात्रा का 3/8 हिस्सा तय करता है और शाम को 4.30 तक वह अपनी यात्रा का 5 /6 हिस्सा पूरा करता है तो उसने यात्रा कितने बजे प्रारम्भ की ?
(A) 6.00 a.m.
(B) 3.30 a.m.
(C) 7.00 a.m.
(D) 6.30 a.m.
3. A contractor undertake to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged so that the work may finish in time ?
एक ठेकेदार ने 124 दिनों में किसी काम को पूरा करने का ठेका लिया। उसने 120 व्यक्ति कार्य पर लगाये परन्तु 64 दिन में 2 /3 कार्य ही हो पाया तो कितने व्यक्ति को हटाया जाये की कार्य समय पर समाप्त हो जाये?
(A) 50
(B) 48
(C) 56
(D) 64
4.A cloth merchant sold half of his cloth at 40 % profit, half of remaining at 40% loss and the rest was sold at the cost price. In the total transaction his gain or loss will be?
एक कपडा व्यापारी आधे कपडे को 40 % के लाभ पर बेचता है बचे हुए का आधा 40 % के हानि पर और जितना बचता है उसे वह क्रय मूल्य पर बेचता है उसे कुल कितना लाभ कितनी हानि हुई
(A) 20 % gain
(B) 25 % loss
(C) 10 % gain
(D) 15 % loss
5.At each corner of a triangular field of sides 26m, 28m, and 30m, a cow is tethered by a rope of length 7m. the area ungrazed by the cow?
एक त्रिभुज जिसकी भुजाये 26m, 28m, and 30m है गाय को तीनो कोनो में बंधा जाता है तो गाय कितना हिस्सा नहीं खा सकती है ?
(A) 336
(B) 259
(C) 154
(D) 77
(C) 154
(D) 77
6.
then find the value of ( 
) is
तो मान ज्ञात कीजिये ( 
)
(B) 4
(C) -4
(D)
Q.7) A, B, and C started a business. A invest 3,20,000 for 4 months and B invest 5.10,000 for 3 months and C invest 2,70,000 for 5 months. If the end of the year they get total profit of Rs. 1,24,800. Then find the share of B?
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.8) If
and 
find the value of y ?
यदि
और 
तो y का मान ज्ञात कीजिये ?
(A)
(B)
(C)
(D)
Q.9) 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.10)30 liter 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 liter
(B) 3.75 liter
(C) 3.50 liter
(D) 6.5 liter
Solution
. Let a be quantity of extra pulses. So according to question,
So,
On solving (i) and (ii) we get
So a = 45 kg
2.(D)
Difference of time = 4.30 p.m. – 11.a.m. =
Distance covered in
Clearly the person started at 6.30 a.m.
3.(C )
Days remaining 124 – 64 =60 days
Remaining work = 1-
So men required =
Men discharge = 120 – 64 = 56 men
4.(C)
let the merchant bought 100 metres of cloth for Rs. 100
( 70+15+25) = 110
So gain percent = 10 %
5.(B)
Area grazed by all cows
= 
= 
Area of the triangle formed be the sides
Semi perimeter = 26+28+30+/2= 42m
=
=
=
= 
6.(B)
so it can be written as
=
)2
S0
=
therefore 
so
7. (A)
Ratio of A, B and C investment
B’s share
8.(D)
and 
then ,
9. (D)
Net change =
10. (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,
then find the value of ( ) is तो मान ज्ञात कीजिये ( ) (B) 4
(C) -4
(D)
Q.7) A, B, and C started a business. A invest 3,20,000 for 4 months and B invest 5.10,000 for 3 months and C invest 2,70,000 for 5 months. If the end of the year they get total profit of Rs. 1,24,800. Then find the share of B?
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.8) If
and find the value of y ?यदि
और तो y का मान ज्ञात कीजिये ? (A)
(B)
(C)
(D)
Q.9) 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.10)30 liter 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 liter
(B) 3.75 liter
(C) 3.50 liter
(D) 6.5 liter
Solution
- (D)
. Let a be quantity of extra pulses. So according to question, So,
On solving (i) and (ii) we get
So a = 45 kg
2.(D)
Difference of time = 4.30 p.m. – 11.a.m. =
Distance covered in
Clearly the person started at 6.30 a.m.
3.(C )
Days remaining 124 – 64 =60 days
Remaining work = 1-
So men required =
Men discharge = 120 – 64 = 56 men
4.(C)
let the merchant bought 100 metres of cloth for Rs. 100
( 70+15+25) = 110
So gain percent = 10 %
5.(B)
Area grazed by all cows
= = Area of the triangle formed be the sides
Semi perimeter = 26+28+30+/2= 42m
=
=
=
= 6.(B)
so it can be written as =
)2S0
= therefore so 7. (A)
Ratio of A, B and C investment
B’s share
8.(D)
and then ,
9. (D)
Net change = 10. (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,
