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can you give us these pdf in hindi

13. In a class, each student likes least one of the five subjects name. ly Physics, Chemistry, Maths, English and Biotechnology. 80% of the stu- dents like Physics, 70% of the students like Chemistry, 90% of the students like Maths, 80% of the students like English and 90% like Biotechnology. What is the maximum percentage of the students who like exactly 4 of the 5 subjects? (A) 90% at

(B) 70%

(C) 62%

(D) 50%

A tank can be built by 24 men in 4 days working10 hours a day. How many men are needed to build another
tank which is twice as large as the first on in 48 days working 8 hours a day?

I did my 10th class from rbse board they mentioned 10 subjects in marksheet(6 main+4 additional),in additional subjects I got A grade (81-100) in 2 and 95+ in other 2 . should I fill all 10 subjects if yes then how many marks for grade A

nmat before or after cat, which is better?

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DASH CAT 10 STILL DIDN'T OPEN

a mixture of 125 gallons of wine and water contains 20% water. how much water must be added to the mixture in order to increase the percentage of water to 25% of the new mixture? ( the answer is 8.33 and can anybody explain how to get the answer)

Railway group D question answer

how many kilograms of sugar worth ₹3.60 per kg should be mixed with 8 kg of sugar worth ₹4.20 per kg, such that by selling the mixture at₹4.40 per kg, there may be a gain of 10%