In an examination average mark of boys is 80 and girls is 60 and average mark of all students is 75 then find the number of boys in the class if number of girls is 18
A54
B52
C65
D105
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
കിലോഗ്രാമിന് 40 രൂപയുള്ള അരി, കിലോഗ്രാമിന് 48 രൂപയുള്ള അരിയുമായി ഏത് അനുപാതത്തിൽ ചേർത്താലാണ്, ഈ മിശ്രിതം കിലോഗ്രാമിന് 54 രൂപയ്ക്കു വിൽക്കുമ്പോൾ 20% ലാഭം ലഭിക്കുക?
In a bag there are coins of 50p, 25p and 10p in the ratio 2 : 4 : 5. If there is Rs. 37.50 in total, how many 25p coins are there?
weight of ram and syam are in the ratio of 7:5 rams weight is increased by 12% and total weight of ram and syam together increased by 17% then the total weight become 200kg weight of syam increased by what % ?
A class consists of boys and girls in the ratio of 2:3. If the ratio of boys and girls who play hockey is 5:9, and the number of boys as well as girls who don't play hockey is 1500 each, find the total number of students.
When three parallel lines are cut by two transversals and the intercepts made by the first transversal are in the ratio 3 : 4, then the intercepts made by the second transversal are in the ratio: