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Q.(1–5). What will come in place of question mark (?) in the following questions?
निम्नलिखित प्रश्नों में प्रश्नवाचक चिह्न (?) के स्थान पर क्या आएगा?
Q.1. 246 × 18 ÷ 3(2 + 5 of 2/5) = ?
1. 369
2. 289
3. 567
4. 348
5. 396
Q.2. 
1. 703.45
2. 702.25
3. 768.89
4. 725.25
5. 26.5
Q.3. 
of 
of 
of ? = 1092
of of of ? = 1092
1. 6100
2. 6200
3. 6500
4. 6700
5. 6800
Q.4. 
1. 965
2. 975
3. 980
4. 950
5. 960
Q.5. (1728)4.2
÷ (144)6.8 × (12)3.2 = 
1. 4.84
2. 4.42
3. 6.24
4. 4.54
5. 7.56
Q.6. 7855 + 6829 – 3754 = ? × 5
1. 2121
2. 2176
3. 2186
4. 2451
5. 2651
Q.7. 78.68 ÷ 3.2 – 4.5875 = ? ÷ 12
1. 120
2. 240
3. 360
4. 140
5. 380
Q.8. A can has a pure milk. If 1/4th of the pure milk is replaced by water first time; and then 1/2 of the mixture is replaced by water second time and finally 3/4th of the mixture is replaced by water third time. If the milk in the final mixture is 29 litres less than the original quantity of the pure milk; find the original quantity of the milk in litre.
एक बर्तन में शुद्ध दूध है । यदि पहली बार शुद्ध दूध का 1/4 भाग पानी से विस्थापित कर दिया जाय और दूसरी बार मिश्रण के ½ भाग को पानी से प्रतिस्थापित कर दिया जाय और तीसरी बार मिश्रण के ¾ भाग को पानी से प्रतिस्थापित कर दिया जाय । यदि परिणामी मिश्रण में दूध वास्तविक शुद्ध दूध की मात्रा से 29 लीटर कम हो तो दूध की वास्तविक मात्रा लीटर में ज्ञात कीजिये।
1. 40
2. 35
3. 45
4. 32
5. 33
Q.9. A team can do a certain work in certain time by doing 40 unit work per hour; while another team can do the same work in certain time by doing 100 unit work per hour. If all the members of both the team work together they could do the same work in certain time by doing 75 unit work per hour. The total time taken by the first team to do the work is how much percentage more than the total time taken by the second team to do the same work.
एक टीम किसी निश्चित कार्य को किसी निश्चित समय में प्रति घंटे 40 इकाई कार्य करके समाप्त कर सकती है, जबकि एक दूसरी टीम उसी कार्य को किसी निश्चित समय में प्रति घन्टे 100 इकाई कार्य करके समाप्त कर सकती है |यदि दोनों टीम के सारे सदस्य एक साथ मिलकर उसी कार्य को किसी निश्चित समय में प्रति घन्टे 75 इकाई कार्य करके समाप्त कर सकता है, तो पहली टीम द्वारा कार्य को समाप्त करने में लिया गया कुल समय दूसरी टीम के द्वारा कार्य को समाप्त करने में लिया गये कुल समय से कितने प्रतिशत अधिक हैं ?
1. 20%
2. 30%
3. 40%
4. 50%
5. 45%
Q.10. Two trains are running on parallel tracks in the same direction. The length of the two trains is an integral multiple of the number of the bogies. If the difference of their speeds is increased by 20%; and the total number of the bogies of both the trains is decreased by 10%; find the percentage change in the time of crossing of the slower train by the faster train.
दो रेलगाड़िया समांतर पटरियों पर एक ही दिशा में चल रही है । दोनों रेलगाड़ियों की लम्बाईयां बोगियों की संख्या का एक पूर्ण गुणांक है । यदि उनकी गतियों के अंतर को 20% बढ़ा दिया जाय और दोनों रेलगाड़ियों की कुल बोगियों की संख्या को 10% कम कर दिया जाय, तेज़ वाली रेलगाड़ी द्वारा धीमी वाली रेलगाड़ी को पार करने में लिए गए समय में प्रतिशत बदलाव ज्ञात कीजिये ।
1. 8%
2. – 25%
3. 15%
4. Cannot be determined
5. None of these
ANSWERS
Q1. (1) 246 × 18 ÷ 3(2 + 5 × 2/5) = ?
246 × 18 ÷ 12 = ?
369 = ?
Q2. (2) 17.2 + 9.3 = 
26.5 = 
702.25 = ?
Q3. (3) 
of 
of 
of ? = 1092
of of of ? = 1092
? = 
? = 6500
Q4. (2) 
163 + 335 = ? + 3456
4096 + 335 – 3456 = ?
? = 975
Q5. (1) (1728)4.2
÷ (144)6.8 × (12)3.2 = 
(12)3
× 4.2 ÷ (12)2 × 6.8 × (12)3.2 = 
12.6 – 13.6 + 3.2 = 
= 2.2
? = 4.84
Q6. (3) ? = 10930 ÷ 5
? = 2186
Q7. (2) ? ÷ 12 = 24.5875 – 4.5875
? = 20 × 12 = 240
Q8. (4) 
Q9. (3) (75 – 40): (100 – 75) = 7: 5
Q10. (2) – 10 = 20 + x + 
– 30 = 
x = – 25 %
