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42- The ratio of present ages of P and Q is 7:9. Before 10 years the ratio of their ages was 5:7. What is Q's present age (in years)?
Pऔय Qकी ितभण ान आमु का अनऩु ात 7:9 है। 10 िषण ऩहरे इनकी आमु का अनऩु ात 5:7 था। Q की ितभण ान आम(ु िषों भें) ककतनी है?
23 August 2017 Evening Shift
[A] 35 [B] 45 [C] 25 [D] 55 43- What is the third proportional to 9 and 45?
9 औय 45 के भरए तीसया सभानऩु ाती क्मा है?
23 August 2017 Evening Shift
[A] 405 [B] 225 [C] 5 [D] 81
44. Solution A contains 10% acid and solution B contains 30% acid. In what ratio should solution A be mixed with Solution B to obtain a mixture with 25% acid?
भभश्रण A भें 10% एभसड है औय भभश्रण B भें 30% एभसड है। भभश्रण A को भभश्रण B के साथ ककस अनऩु ातभेंभभरामाजाएककभभश्रणभें25%एभसडप्राप्तहो?
17 February 2018 SSC MAINS
[A] 1 : 2 [B] 3 : 1 [C] 1 : 3 [D] 2 : 1
45. In what ratio should coffee powder costing Rs 2500/kg be mixed with coffee powder costing Rs 1500/kg so that the cost of the mixture is Rs 2250/kg?
कॉफ़ीऩाउडयजजसकीकीभत2500रुप्रनतककग्राहै,कोककसअनऩु ातभें1500रुप्रनतककग्रािारेकॉफ़ी ऩाउडय के साथ भभरामा जामे कक भभश्रण की कीभत 2250 रु प्रनत ककग्रा हो जाए?
17 February 2018 SSC MAINS
[A] 1 : 4 [B] 4 : 1 [C] 3 : 1 [D] 1 : 3
46. A and B started a partnership business investing in the ratio of 3 : 8. C joined them after 4 months with an amount equal to 3/4th of B. What was their profit (in Rs) at the end of the year if C got Rs 24,000 as his share?
AऔयBने3:8के अनऩु ातभेंननिेशकयके साझदे ायीव्मिसामआयॊबककमा।C,4भहीनेके फादBके 3⁄4 िें के फयाफय याभश ननिेश कयके उसभें शाभभर हो गमा। िषण के अतॊ भें उनका राब (रु भें) क्मा था मदद
C को उसके दहस्से के 24,000 रु प्राप्त होता है? 17 February 2018 SSC MAINS
[A] 120000 [B] 150000 [C] 90000 [D] 180000 47. A and B invest in a business in the ratio 4 : 5. After 10 months B leaves the business after withdrawing his investment. In the first year the business made a profit of Rs 49,000. What is B's share (in Rs) of this profit?
AऔयBने4:5के अनऩु ातभेंएकव्मिसामभेंननिेशककमा।10भहीनोंके फादBनेअऩनाननिेश िाऩस रेकय व्माऩय से छो ददमा। ऩहरे िषण भें व्माऩाय भें 49,000रु का राब हुआ। इस राब भें B का
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17 February 2018 SSC MAINS
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