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A beaker contains a mixture of two liquids X and Y in the ratio 5:3. When 6 litres of the mixture is drawn off and then replaced with Y, the ratio of X and Y becomes 5:7. How many litres of liquid X was contained in the beaker initially?

Q.21 दिए गए विकल्पों में से उस संख्या का चयन करें, जो निम्नलिखित श्रृंखला में प्रश्नवाचक चिह्न (?) के स्थान पर आ सकती है।

24, 40, 64, 104, 7, 312

Q.21 दिए गए विकल्पों में से उस संख्या का चयन करें, जो निम्नलिखित श्रृंखला में प्रश्नवाचक चिह्न (?) के स्थान पर आ सकती है।

24, 40, 64, 104, ?, 312

during a fashion show ina stadium 82(2/3) %seats were filled out of 2100. how to find total occurred when each seat of cost 160

If 148x + 231y = 527, 231x + 148y =610 then, what is the value of 'x' and 'y' ?

19,23,32,48,73

a rectangular piece of paper is 52 cm long and 18 cm wide. cylinder is a formed by

ZYGOTE : ZYTOGE :: SEQUENCE : ?

If 20 February 2013 was Wednesday, then what was the day of the week on 28 February 2016?

89,84,82,79,75,74,68,?