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जंहा 0
(A) 54o
(B) 36o
(C) 27o
(D) 27o
Q2.) By walking at ¾ of his usual speed, a man reaches his office 20 minutes late than usual. His usual time is?
एक आदमी अपनी नियत चाल के ¾ से जाने पर ऑफिस 20 मिनट देरी से पहुँचता है तो उसका नियत समय ज्ञात कीजिये?
(A) 30 min
(B) 75 min
(C) 90 min
(D) 60 min
Q3.) The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100, then find their difference?
दो संख्याओ का ल.स.प. 495 है और उनका म.स.प 5 है. यदि दोनों संख्याओ का योग 100 है. तो उनके बीच का अंतर ज्ञात कीजिये?
(A) 10
(B) 46
(C) 70
(D) 90
Q4.) A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job?
एक पाइप जिसका व्यास d है टंकी को 40 मिनट में खली करता है तो दूसरा पाइप इसी टंकी को कितने मिनट में खाली करेगा जिसका व्यास 2d है?
(A) 5 minutes
(B) 10 minutes
(C) 20 minutes
(D) 80 minutes
Q5.) The present age of a father is 3 years more than three time the age of his son. Three years hence, father’s age will be 10 years more than twice the age of the son. The father’s present age is?
पिता की वर्तमान आयु उसके पुत्र की आयु का तीन गुना से 3 वर्ष अधिक है. तीन वर्ष बाद , पिता की आयु उसके पुत्र की आयु के दुगने से 10 वर्ष अधिक है. तो पिता की वर्तमान आयु क्या है ?
(A) 33 years
(B) 39 years
(C) 45 years
(D) 40 years
Q6.) In an alloy, the ratio of copper and zinc is 5: 2. If 1.250 kg of zinc is mixed in 17 kg 500 g of alloy, then the ratio of copper and zinc will be?
एक मिश्रण में तम्बा और जस्ते का अनुपात 5: 2 है यदि 1.250 किलोग्राम जस्ते को 17 किलो 500 ग्राम मिश्रण में मिलाया जाता है तो ताम्बे और जस्ते का अनुपात क्या होगा?
(A) 2: 1
(B) 2: 3
(C) 3: 2
(D) 1: 2
Q7.) Rs.500 was invested at 12 % per annum simple interest and a certain sum of money invested at 10% per annum simple interest. If the sum of the interests on both the sums after 4 years is Rs.480, find the later sum of money?
500 रु की राशि 12% के वार्षिक साधारण ब्याज पर निवेश की जाती है और कुछ और राशि भी 10% की वार्षिक साधारण ब्याज पर निवेश की जाती है. दोनों राशि के ब्याज का योग 4 वर्ष बाद 480 रु है. तो बाद वाली राशि क्या थी?
(A) Rs.450
(B) Rs.750
(C) Rs.600
(D) Rs.550
Q8.) Spheres A and B have their radii 40cm and 10 cm respectively. Ratio of surface area of A to the surface area of B is:
दो गोले की त्रिजाये क्रमश: 40 सेमी और 10 सेमी है तो इनके पृष्ठीय छेत्रफल का अनुपात क्या होगा?
(A) 1: 16
(B) 4: 1
(C) 1: 4
(D) 16: 1
Q9.) If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same work in 2 days, the time taken by 15 men and 20 boys to do the same type of work will be?
6 आदमी और 8 बच्चे किसी काम को 10 दिनों में कर सकते है. 26 आदमो और 48 बच्चे इसी काम को 2 दिनों में कर सकते है, तो 15 आदमी और 20 बच्चे इसी काम को कितने दिनों में करेंगे?
(A) 4 days
(B) 8 days
(C) 12 days
(D) 5 days
Q10.) A Solid metallic cone of height 10 cm, radius of base 20 cm is melted to make spherical balls ach of 4 cm. diameter. How many such balls can be made?
एक धातुई शंकु जिसकी ऊंचाई 10 सेमी है और आधार की त्रिज्या 20 सेमी है इसको पिघलाकर 4 सेमी व्यास के कितनी गेंदे बनाये जा सकते है?
(A) 120
(B) 75
(C) 50
(D) 125
Solution
Q1.) D
Q2.) (D)
New speed =
usual speedNew time =
usual time
usual time = 20 minutes 
Usual time = 60 minutes Q3.) (A)
Suppose the first number is x
Then 2nd number = 100 – x
LCM 
HCF = 1st number 
2nd number
So the difference
Q4.) (B)
Q5.) (A)
Let the son’s present age = x years
father’s age = (3x+3) years.After 3 years,
Q6.) (A)
Weight of copper in 17 kg 500 gm i.e. 17500 gm of alloy
Weight of Zinc = (17500 – 12500) = 5000 gm
1250 gm is mixed in alloy.
Total weight of zinc = 1250 + 5000 = 6250
required ratio
12500: 6250
2 : 1
Q7.) (C)
Simple interest gained from Rs. 500
Let the other principle be Rs.x
S.I gained = Rs. (480 – 240)
Rs. 240
Q8.) (D)
Required ratio
Q9.) (A)
According to question,
20 boys can the same work in 10 days so,
50 boys will do the same work in
=
= 4 days Q10.) (D)
Let the number of balls = n
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